Home / 15,214,753.44-20,996,867.52-8,339,253.12

Finding the Fourth Proportional to 15,214,753.44, 20,996,867.52 and 8,339,253.12

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Solution

The fourth proportional to 15,214,753.44, 20,996,867.52 and 8,339,253.12 is: 11,508,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,753.44 : 20,996,867.52 = 8,339,253.12 : x
  2. Step 2: Convert to fraction form
    15,214,753.44/20,996,867.52 = 8,339,253.12/x
  3. Step 3: Cross multiply
    15,214,753.44x = 20,996,867.52 × 8,339,253.12
  4. Step 4: Simplify right side
    15,214,753.44x = 175,098,192,976,386.66
  5. Step 5: Solve for x
    x = 175,098,192,976,386.66/15,214,753.44
  6. Step 6: Final answer
    x = 11,508,447.62

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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.