Home / 15,907,697,974.06-21,953,603,069.04-8,771,089,716.28

Finding the Fourth Proportional to 15,907,697,974.06, 21,953,603,069.04 and 8,771,089,716.28

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Solution

The fourth proportional to 15,907,697,974.06, 21,953,603,069.04 and 8,771,089,716.28 is: 12,104,644,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,697,974.06 : 21,953,603,069.04 = 8,771,089,716.28 : x
  2. Step 2: Convert to fraction form
    15,907,697,974.06/21,953,603,069.04 = 8,771,089,716.28/x
  3. Step 3: Cross multiply
    15,907,697,974.06x = 21,953,603,069.04 × 8,771,089,716.28
  4. Step 4: Simplify right side
    15,907,697,974.06x = 192,557,022,114,149,826,560
  5. Step 5: Solve for x
    x = 192,557,022,114,149,826,560/15,907,697,974.06
  6. Step 6: Final answer
    x = 12,104,644,080.38

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Double scale
Find fourth proportional to 15,907,697,975.06, 21,953,603,070.42 and 8,771,089,717.28
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.