Home / 13,608,441.20-20,385,105.60-8,475,114.80

Finding the Fourth Proportional to 13,608,441.20, 20,385,105.60 and 8,475,114.80

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Solution

The fourth proportional to 13,608,441.20, 20,385,105.60 and 8,475,114.80 is: 12,695,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,441.20 : 20,385,105.60 = 8,475,114.80 : x
  2. Step 2: Convert to fraction form
    13,608,441.20/20,385,105.60 = 8,475,114.80/x
  3. Step 3: Cross multiply
    13,608,441.20x = 20,385,105.60 × 8,475,114.80
  4. Step 4: Simplify right side
    13,608,441.20x = 172,766,110,170,122.91
  5. Step 5: Solve for x
    x = 172,766,110,170,122.91/13,608,441.20
  6. Step 6: Final answer
    x = 12,695,510.65

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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.