Home / 20,198,540.38-27,874,673.56-11,945,677.18

Finding the Fourth Proportional to 20,198,540.38, 27,874,673.56 and 11,945,677.18

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Solution

The fourth proportional to 20,198,540.38, 27,874,673.56 and 11,945,677.18 is: 16,485,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,540.38 : 27,874,673.56 = 11,945,677.18 : x
  2. Step 2: Convert to fraction form
    20,198,540.38/27,874,673.56 = 11,945,677.18/x
  3. Step 3: Cross multiply
    20,198,540.38x = 27,874,673.56 × 11,945,677.18
  4. Step 4: Simplify right side
    20,198,540.38x = 332,981,851,845,641.31
  5. Step 5: Solve for x
    x = 332,981,851,845,641.31/20,198,540.38
  6. Step 6: Final answer
    x = 16,485,441.30

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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.