Home / 20,229,872.70-30,344,809.05-17,891,532.30

Finding the Fourth Proportional to 20,229,872.70, 30,344,809.05 and 17,891,532.30

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Solution

The fourth proportional to 20,229,872.70, 30,344,809.05 and 17,891,532.30 is: 26,837,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,872.70 : 30,344,809.05 = 17,891,532.30 : x
  2. Step 2: Convert to fraction form
    20,229,872.70/30,344,809.05 = 17,891,532.30/x
  3. Step 3: Cross multiply
    20,229,872.70x = 30,344,809.05 × 17,891,532.30
  4. Step 4: Simplify right side
    20,229,872.70x = 542,915,131,255,407.38
  5. Step 5: Solve for x
    x = 542,915,131,255,407.38/20,229,872.70
  6. Step 6: Final answer
    x = 26,837,298.45

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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.