Home / 20,229,780.30-30,344,670.45-12,151,877.10

Finding the Fourth Proportional to 20,229,780.30, 30,344,670.45 and 12,151,877.10

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Solution

The fourth proportional to 20,229,780.30, 30,344,670.45 and 12,151,877.10 is: 18,227,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,780.30 : 30,344,670.45 = 12,151,877.10 : x
  2. Step 2: Convert to fraction form
    20,229,780.30/30,344,670.45 = 12,151,877.10/x
  3. Step 3: Cross multiply
    20,229,780.30x = 30,344,670.45 × 12,151,877.10
  4. Step 4: Simplify right side
    20,229,780.30x = 368,744,705,948,401.69
  5. Step 5: Solve for x
    x = 368,744,705,948,401.69/20,229,780.30
  6. Step 6: Final answer
    x = 18,227,815.65

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Similar ratio
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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.