Home / 20,219,489.20-30,266,248.20-14,550,785.20

Finding the Fourth Proportional to 20,219,489.20, 30,266,248.20 and 14,550,785.20

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Solution

The fourth proportional to 20,219,489.20, 30,266,248.20 and 14,550,785.20 is: 21,780,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,489.20 : 30,266,248.20 = 14,550,785.20 : x
  2. Step 2: Convert to fraction form
    20,219,489.20/30,266,248.20 = 14,550,785.20/x
  3. Step 3: Cross multiply
    20,219,489.20x = 30,266,248.20 × 14,550,785.20
  4. Step 4: Simplify right side
    20,219,489.20x = 440,397,676,368,086.62
  5. Step 5: Solve for x
    x = 440,397,676,368,086.62/20,219,489.20
  6. Step 6: Final answer
    x = 21,780,850.74

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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.