Home / 8,375,143.20-12,562,714.80-5,505,361.80

Finding the Fourth Proportional to 8,375,143.20, 12,562,714.80 and 5,505,361.80

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Solution

The fourth proportional to 8,375,143.20, 12,562,714.80 and 5,505,361.80 is: 8,258,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,143.20 : 12,562,714.80 = 5,505,361.80 : x
  2. Step 2: Convert to fraction form
    8,375,143.20/12,562,714.80 = 5,505,361.80/x
  3. Step 3: Cross multiply
    8,375,143.20x = 12,562,714.80 × 5,505,361.80
  4. Step 4: Simplify right side
    8,375,143.20x = 69,162,290,164,214.64
  5. Step 5: Solve for x
    x = 69,162,290,164,214.64/8,375,143.20
  6. Step 6: Final answer
    x = 8,258,042.70

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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.