Home / 15,147,972.27-20,904,278.45-8,272,454.13

Finding the Fourth Proportional to 15,147,972.27, 20,904,278.45 and 8,272,454.13

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Solution

The fourth proportional to 15,147,972.27, 20,904,278.45 and 8,272,454.13 is: 11,416,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,972.27 : 20,904,278.45 = 8,272,454.13 : x
  2. Step 2: Convert to fraction form
    15,147,972.27/20,904,278.45 = 8,272,454.13/x
  3. Step 3: Cross multiply
    15,147,972.27x = 20,904,278.45 × 8,272,454.13
  4. Step 4: Simplify right side
    15,147,972.27x = 172,929,684,557,010.22
  5. Step 5: Solve for x
    x = 172,929,684,557,010.22/15,147,972.27
  6. Step 6: Final answer
    x = 11,416,028.59

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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.