Home / 13,581,213.18-20,375,056.53-3,996,904.38

Finding the Fourth Proportional to 13,581,213.18, 20,375,056.53 and 3,996,904.38

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Solution

The fourth proportional to 13,581,213.18, 20,375,056.53 and 3,996,904.38 is: 5,996,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,213.18 : 20,375,056.53 = 3,996,904.38 : x
  2. Step 2: Convert to fraction form
    13,581,213.18/20,375,056.53 = 3,996,904.38/x
  3. Step 3: Cross multiply
    13,581,213.18x = 20,375,056.53 × 3,996,904.38
  4. Step 4: Simplify right side
    13,581,213.18x = 81,437,152,687,504.61
  5. Step 5: Solve for x
    x = 81,437,152,687,504.61/13,581,213.18
  6. Step 6: Final answer
    x = 5,996,309.14

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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.