Home / 20,198,535.38-27,874,666.67-11,945,672.18

Finding the Fourth Proportional to 20,198,535.38, 27,874,666.67 and 11,945,672.18

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Solution

The fourth proportional to 20,198,535.38, 27,874,666.67 and 11,945,672.18 is: 16,485,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,535.38 : 27,874,666.67 = 11,945,672.18 : x
  2. Step 2: Convert to fraction form
    20,198,535.38/27,874,666.67 = 11,945,672.18/x
  3. Step 3: Cross multiply
    20,198,535.38x = 27,874,666.67 × 11,945,672.18
  4. Step 4: Simplify right side
    20,198,535.38x = 332,981,629,967,490.56
  5. Step 5: Solve for x
    x = 332,981,629,967,490.56/20,198,535.38
  6. Step 6: Final answer
    x = 16,485,434.40

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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.