Home / 20,229,793.20-30,344,689.80-18,376,392.71

Finding the Fourth Proportional to 20,229,793.20, 30,344,689.80 and 18,376,392.71

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Solution

The fourth proportional to 20,229,793.20, 30,344,689.80 and 18,376,392.71 is: 27,564,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,793.20 : 30,344,689.80 = 18,376,392.71 : x
  2. Step 2: Convert to fraction form
    20,229,793.20/30,344,689.80 = 18,376,392.71/x
  3. Step 3: Cross multiply
    20,229,793.20x = 30,344,689.80 × 18,376,392.71
  4. Step 4: Simplify right side
    20,229,793.20x = 557,625,936,503,793.06
  5. Step 5: Solve for x
    x = 557,625,936,503,793.06/20,229,793.20
  6. Step 6: Final answer
    x = 27,564,589.07

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Similar ratio
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1.5x scale

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.