Home / 20,251,755.78-27,947,422.11-10,959,326.13

Finding the Fourth Proportional to 20,251,755.78, 27,947,422.11 and 10,959,326.13

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Solution

The fourth proportional to 20,251,755.78, 27,947,422.11 and 10,959,326.13 is: 15,123,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,755.78 : 27,947,422.11 = 10,959,326.13 : x
  2. Step 2: Convert to fraction form
    20,251,755.78/27,947,422.11 = 10,959,326.13/x
  3. Step 3: Cross multiply
    20,251,755.78x = 27,947,422.11 × 10,959,326.13
  4. Step 4: Simplify right side
    20,251,755.78x = 306,284,913,396,262.75
  5. Step 5: Solve for x
    x = 306,284,913,396,262.75/20,251,755.78
  6. Step 6: Final answer
    x = 15,123,869.59

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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.