Home / 15,907,697,972.24-21,953,603,066.51-8,771,089,714.45

Finding the Fourth Proportional to 15,907,697,972.24, 21,953,603,066.51 and 8,771,089,714.45

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Solution

The fourth proportional to 15,907,697,972.24, 21,953,603,066.51 and 8,771,089,714.45 is: 12,104,644,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,697,972.24 : 21,953,603,066.51 = 8,771,089,714.45 : x
  2. Step 2: Convert to fraction form
    15,907,697,972.24/21,953,603,066.51 = 8,771,089,714.45/x
  3. Step 3: Cross multiply
    15,907,697,972.24x = 21,953,603,066.51 × 8,771,089,714.45
  4. Step 4: Simplify right side
    15,907,697,972.24x = 192,557,022,051,827,777,536
  5. Step 5: Solve for x
    x = 192,557,022,051,827,777,536/15,907,697,972.24
  6. Step 6: Final answer
    x = 12,104,644,077.84

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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.