Home / 12,218,138.10-18,327,207.15-9,680,051.70

Finding the Fourth Proportional to 12,218,138.10, 18,327,207.15 and 9,680,051.70

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Solution

The fourth proportional to 12,218,138.10, 18,327,207.15 and 9,680,051.70 is: 14,520,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,138.10 : 18,327,207.15 = 9,680,051.70 : x
  2. Step 2: Convert to fraction form
    12,218,138.10/18,327,207.15 = 9,680,051.70/x
  3. Step 3: Cross multiply
    12,218,138.10x = 18,327,207.15 × 9,680,051.70
  4. Step 4: Simplify right side
    12,218,138.10x = 177,408,312,728,609.62
  5. Step 5: Solve for x
    x = 177,408,312,728,609.62/12,218,138.10
  6. Step 6: Final answer
    x = 14,520,077.55

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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.