Home / 27,755,676.32-38,306,839.81-15,992,691.80

Finding the Fourth Proportional to 27,755,676.32, 38,306,839.81 and 15,992,691.80

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Solution

The fourth proportional to 27,755,676.32, 38,306,839.81 and 15,992,691.80 is: 22,072,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755,676.32 : 38,306,839.81 = 15,992,691.80 : x
  2. Step 2: Convert to fraction form
    27,755,676.32/38,306,839.81 = 15,992,691.80/x
  3. Step 3: Cross multiply
    27,755,676.32x = 38,306,839.81 × 15,992,691.80
  4. Step 4: Simplify right side
    27,755,676.32x = 612,629,482,913,300.62
  5. Step 5: Solve for x
    x = 612,629,482,913,300.62/27,755,676.32
  6. Step 6: Final answer
    x = 22,072,223.20

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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.