Home / 27,736,781.89-38,277,887.17-15,346,673.90

Finding the Fourth Proportional to 27,736,781.89, 38,277,887.17 and 15,346,673.90

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Solution

The fourth proportional to 27,736,781.89, 38,277,887.17 and 15,346,673.90 is: 21,179,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736,781.89 : 38,277,887.17 = 15,346,673.90 : x
  2. Step 2: Convert to fraction form
    27,736,781.89/38,277,887.17 = 15,346,673.90/x
  3. Step 3: Cross multiply
    27,736,781.89x = 38,277,887.17 × 15,346,673.90
  4. Step 4: Simplify right side
    27,736,781.89x = 587,438,251,978,983.88
  5. Step 5: Solve for x
    x = 587,438,251,978,983.88/27,736,781.89
  6. Step 6: Final answer
    x = 21,179,034.19

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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.