Home / 13,452,138.20-20,178,207.30-8,665,232.60

Finding the Fourth Proportional to 13,452,138.20, 20,178,207.30 and 8,665,232.60

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Solution

The fourth proportional to 13,452,138.20, 20,178,207.30 and 8,665,232.60 is: 12,997,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,138.20 : 20,178,207.30 = 8,665,232.60 : x
  2. Step 2: Convert to fraction form
    13,452,138.20/20,178,207.30 = 8,665,232.60/x
  3. Step 3: Cross multiply
    13,452,138.20x = 20,178,207.30 × 8,665,232.60
  4. Step 4: Simplify right side
    13,452,138.20x = 174,848,859,705,517.97
  5. Step 5: Solve for x
    x = 174,848,859,705,517.97/13,452,138.20
  6. Step 6: Final answer
    x = 12,997,848.90

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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.