Home / 18,443,750.20-27,665,625.30-17,912,309.20

Finding the Fourth Proportional to 18,443,750.20, 27,665,625.30 and 17,912,309.20

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Solution

The fourth proportional to 18,443,750.20, 27,665,625.30 and 17,912,309.20 is: 26,868,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,750.20 : 27,665,625.30 = 17,912,309.20 : x
  2. Step 2: Convert to fraction form
    18,443,750.20/27,665,625.30 = 17,912,309.20/x
  3. Step 3: Cross multiply
    18,443,750.20x = 27,665,625.30 × 17,912,309.20
  4. Step 4: Simplify right side
    18,443,750.20x = 495,555,234,584,942.75
  5. Step 5: Solve for x
    x = 495,555,234,584,942.75/18,443,750.20
  6. Step 6: Final answer
    x = 26,868,463.80

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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.