Home / 8,169,339.20-12,254,469.60-2,489,748.80

Finding the Fourth Proportional to 8,169,339.20, 12,254,469.60 and 2,489,748.80

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Solution

The fourth proportional to 8,169,339.20, 12,254,469.60 and 2,489,748.80 is: 3,734,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,339.20 : 12,254,469.60 = 2,489,748.80 : x
  2. Step 2: Convert to fraction form
    8,169,339.20/12,254,469.60 = 2,489,748.80/x
  3. Step 3: Cross multiply
    8,169,339.20x = 12,254,469.60 × 2,489,748.80
  4. Step 4: Simplify right side
    8,169,339.20x = 30,510,550,981,236.48
  5. Step 5: Solve for x
    x = 30,510,550,981,236.48/8,169,339.20
  6. Step 6: Final answer
    x = 3,734,763.64

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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.