Home / 13,613,000.10-20,419,500.15-8,794,601.70

Finding the Fourth Proportional to 13,613,000.10, 20,419,500.15 and 8,794,601.70

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Solution

The fourth proportional to 13,613,000.10, 20,419,500.15 and 8,794,601.70 is: 13,191,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,000.10 : 20,419,500.15 = 8,794,601.70 : x
  2. Step 2: Convert to fraction form
    13,613,000.10/20,419,500.15 = 8,794,601.70/x
  3. Step 3: Cross multiply
    13,613,000.10x = 20,419,500.15 × 8,794,601.70
  4. Step 4: Simplify right side
    13,613,000.10x = 179,581,370,732,340.22
  5. Step 5: Solve for x
    x = 179,581,370,732,340.22/13,613,000.10
  6. Step 6: Final answer
    x = 13,191,902.55

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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.