Home / 18,626,747.80-27,972,003.30-10,123,691.80

Finding the Fourth Proportional to 18,626,747.80, 27,972,003.30 and 10,123,691.80

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Solution

The fourth proportional to 18,626,747.80, 27,972,003.30 and 10,123,691.80 is: 15,202,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626,747.80 : 27,972,003.30 = 10,123,691.80 : x
  2. Step 2: Convert to fraction form
    18,626,747.80/27,972,003.30 = 10,123,691.80/x
  3. Step 3: Cross multiply
    18,626,747.80x = 27,972,003.30 × 10,123,691.80
  4. Step 4: Simplify right side
    18,626,747.80x = 283,179,940,437,782.94
  5. Step 5: Solve for x
    x = 283,179,940,437,782.94/18,626,747.80
  6. Step 6: Final answer
    x = 15,202,865.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.