Home / 8,315,207.20-12,463,479.60-3,522,080.80

Finding the Fourth Proportional to 8,315,207.20, 12,463,479.60 and 3,522,080.80

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Solution

The fourth proportional to 8,315,207.20, 12,463,479.60 and 3,522,080.80 is: 5,279,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,207.20 : 12,463,479.60 = 3,522,080.80 : x
  2. Step 2: Convert to fraction form
    8,315,207.20/12,463,479.60 = 3,522,080.80/x
  3. Step 3: Cross multiply
    8,315,207.20x = 12,463,479.60 × 3,522,080.80
  4. Step 4: Simplify right side
    8,315,207.20x = 43,897,382,200,351.68
  5. Step 5: Solve for x
    x = 43,897,382,200,351.68/8,315,207.20
  6. Step 6: Final answer
    x = 5,279,168.77

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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.