Home / 18,443,816.20-27,665,724.30-17,912,375.20

Finding the Fourth Proportional to 18,443,816.20, 27,665,724.30 and 17,912,375.20

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Solution

The fourth proportional to 18,443,816.20, 27,665,724.30 and 17,912,375.20 is: 26,868,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,816.20 : 27,665,724.30 = 17,912,375.20 : x
  2. Step 2: Convert to fraction form
    18,443,816.20/27,665,724.30 = 17,912,375.20/x
  3. Step 3: Cross multiply
    18,443,816.20x = 27,665,724.30 × 17,912,375.20
  4. Step 4: Simplify right side
    18,443,816.20x = 495,558,833,841,357.38
  5. Step 5: Solve for x
    x = 495,558,833,841,357.38/18,443,816.20
  6. Step 6: Final answer
    x = 26,868,562.80

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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.