Home / 13,532,820.30-20,299,230.45-3,949,167.60

Finding the Fourth Proportional to 13,532,820.30, 20,299,230.45 and 3,949,167.60

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Solution

The fourth proportional to 13,532,820.30, 20,299,230.45 and 3,949,167.60 is: 5,923,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,820.30 : 20,299,230.45 = 3,949,167.60 : x
  2. Step 2: Convert to fraction form
    13,532,820.30/20,299,230.45 = 3,949,167.60/x
  3. Step 3: Cross multiply
    13,532,820.30x = 20,299,230.45 × 3,949,167.60
  4. Step 4: Simplify right side
    13,532,820.30x = 80,165,063,198,073.42
  5. Step 5: Solve for x
    x = 80,165,063,198,073.42/13,532,820.30
  6. Step 6: Final answer
    x = 5,923,751.40

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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.