Home / 15,907,697,981.08-21,953,603,078.72-8,771,089,723.28

Finding the Fourth Proportional to 15,907,697,981.08, 21,953,603,078.72 and 8,771,089,723.28

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Solution

The fourth proportional to 15,907,697,981.08, 21,953,603,078.72 and 8,771,089,723.28 is: 12,104,644,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,697,981.08 : 21,953,603,078.72 = 8,771,089,723.28 : x
  2. Step 2: Convert to fraction form
    15,907,697,981.08/21,953,603,078.72 = 8,771,089,723.28/x
  3. Step 3: Cross multiply
    15,907,697,981.08x = 21,953,603,078.72 × 8,771,089,723.28
  4. Step 4: Simplify right side
    15,907,697,981.08x = 192,557,022,352,729,178,112
  5. Step 5: Solve for x
    x = 192,557,022,352,729,178,112/15,907,697,981.08
  6. Step 6: Final answer
    x = 12,104,644,090.03

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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.