Home / 15,391,294.38-21,236,677.47-9,279,591.66

Finding the Fourth Proportional to 15,391,294.38, 21,236,677.47 and 9,279,591.66

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Solution

The fourth proportional to 15,391,294.38, 21,236,677.47 and 9,279,591.66 is: 12,803,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,294.38 : 21,236,677.47 = 9,279,591.66 : x
  2. Step 2: Convert to fraction form
    15,391,294.38/21,236,677.47 = 9,279,591.66/x
  3. Step 3: Cross multiply
    15,391,294.38x = 21,236,677.47 × 9,279,591.66
  4. Step 4: Simplify right side
    15,391,294.38x = 197,067,695,136,721.91
  5. Step 5: Solve for x
    x = 197,067,695,136,721.91/15,391,294.38
  6. Step 6: Final answer
    x = 12,803,841.59

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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.