Home / 13,687,474.31-20,523,847.17-5,486,000.82

Finding the Fourth Proportional to 13,687,474.31, 20,523,847.17 and 5,486,000.82

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Solution

The fourth proportional to 13,687,474.31, 20,523,847.17 and 5,486,000.82 is: 8,226,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,474.31 : 20,523,847.17 = 5,486,000.82 : x
  2. Step 2: Convert to fraction form
    13,687,474.31/20,523,847.17 = 5,486,000.82/x
  3. Step 3: Cross multiply
    13,687,474.31x = 20,523,847.17 × 5,486,000.82
  4. Step 4: Simplify right side
    13,687,474.31x = 112,593,842,467,938.67
  5. Step 5: Solve for x
    x = 112,593,842,467,938.67/13,687,474.31
  6. Step 6: Final answer
    x = 8,226,049.59

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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.