Home / 27,755,675.82-38,306,839.12-15,992,691.30

Finding the Fourth Proportional to 27,755,675.82, 38,306,839.12 and 15,992,691.30

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Solution

The fourth proportional to 27,755,675.82, 38,306,839.12 and 15,992,691.30 is: 22,072,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755,675.82 : 38,306,839.12 = 15,992,691.30 : x
  2. Step 2: Convert to fraction form
    27,755,675.82/38,306,839.12 = 15,992,691.30/x
  3. Step 3: Cross multiply
    27,755,675.82x = 38,306,839.12 × 15,992,691.30
  4. Step 4: Simplify right side
    27,755,675.82x = 612,629,452,684,942
  5. Step 5: Solve for x
    x = 612,629,452,684,942/27,755,675.82
  6. Step 6: Final answer
    x = 22,072,222.51

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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.