Home / 13,721,385.22-20,585,049.99-4,135,961.86

Finding the Fourth Proportional to 13,721,385.22, 20,585,049.99 and 4,135,961.86

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Solution

The fourth proportional to 13,721,385.22, 20,585,049.99 and 4,135,961.86 is: 6,204,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,385.22 : 20,585,049.99 = 4,135,961.86 : x
  2. Step 2: Convert to fraction form
    13,721,385.22/20,585,049.99 = 4,135,961.86/x
  3. Step 3: Cross multiply
    13,721,385.22x = 20,585,049.99 × 4,135,961.86
  4. Step 4: Simplify right side
    13,721,385.22x = 85,138,981,644,833.38
  5. Step 5: Solve for x
    x = 85,138,981,644,833.38/13,721,385.22
  6. Step 6: Final answer
    x = 6,204,838.67

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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.