Home / 27,755,720.28-38,306,902.32-15,992,736.66

Finding the Fourth Proportional to 27,755,720.28, 38,306,902.32 and 15,992,736.66

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Solution

The fourth proportional to 27,755,720.28, 38,306,902.32 and 15,992,736.66 is: 22,072,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755,720.28 : 38,306,902.32 = 15,992,736.66 : x
  2. Step 2: Convert to fraction form
    27,755,720.28/38,306,902.32 = 15,992,736.66/x
  3. Step 3: Cross multiply
    27,755,720.28x = 38,306,902.32 × 15,992,736.66
  4. Step 4: Simplify right side
    27,755,720.28x = 612,632,201,064,103
  5. Step 5: Solve for x
    x = 612,632,201,064,103/27,755,720.28
  6. Step 6: Final answer
    x = 22,072,286.18

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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.