Home / 13,419,010.20-20,128,515.30-4,443,562.20

Finding the Fourth Proportional to 13,419,010.20, 20,128,515.30 and 4,443,562.20

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Solution

The fourth proportional to 13,419,010.20, 20,128,515.30 and 4,443,562.20 is: 6,665,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,010.20 : 20,128,515.30 = 4,443,562.20 : x
  2. Step 2: Convert to fraction form
    13,419,010.20/20,128,515.30 = 4,443,562.20/x
  3. Step 3: Cross multiply
    13,419,010.20x = 20,128,515.30 × 4,443,562.20
  4. Step 4: Simplify right side
    13,419,010.20x = 89,442,309,729,201.67
  5. Step 5: Solve for x
    x = 89,442,309,729,201.67/13,419,010.20
  6. Step 6: Final answer
    x = 6,665,343.30

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Similar ratio
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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.