Home / 12,656,910.72-18,986,251.82-6,265,446.96

Finding the Fourth Proportional to 12,656,910.72, 18,986,251.82 and 6,265,446.96

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Solution

The fourth proportional to 12,656,910.72, 18,986,251.82 and 6,265,446.96 is: 9,398,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656,910.72 : 18,986,251.82 = 6,265,446.96 : x
  2. Step 2: Convert to fraction form
    12,656,910.72/18,986,251.82 = 6,265,446.96/x
  3. Step 3: Cross multiply
    12,656,910.72x = 18,986,251.82 × 6,265,446.96
  4. Step 4: Simplify right side
    12,656,910.72x = 118,957,353,716,086.23
  5. Step 5: Solve for x
    x = 118,957,353,716,086.23/12,656,910.72
  6. Step 6: Final answer
    x = 9,398,608.90

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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.