Home / 21,740,836.50-30,002,733.45-11,951,693.28

Finding the Fourth Proportional to 21,740,836.50, 30,002,733.45 and 11,951,693.28

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Solution

The fourth proportional to 21,740,836.50, 30,002,733.45 and 11,951,693.28 is: 16,493,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,836.50 : 30,002,733.45 = 11,951,693.28 : x
  2. Step 2: Convert to fraction form
    21,740,836.50/30,002,733.45 = 11,951,693.28/x
  3. Step 3: Cross multiply
    21,740,836.50x = 30,002,733.45 × 11,951,693.28
  4. Step 4: Simplify right side
    21,740,836.50x = 358,583,467,755,996.19
  5. Step 5: Solve for x
    x = 358,583,467,755,996.19/21,740,836.50
  6. Step 6: Final answer
    x = 16,493,545.12

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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.