Home / 8,375,154.20-12,562,731.30-5,505,372.80

Finding the Fourth Proportional to 8,375,154.20, 12,562,731.30 and 5,505,372.80

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Solution

The fourth proportional to 8,375,154.20, 12,562,731.30 and 5,505,372.80 is: 8,258,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,154.20 : 12,562,731.30 = 5,505,372.80 : x
  2. Step 2: Convert to fraction form
    8,375,154.20/12,562,731.30 = 5,505,372.80/x
  3. Step 3: Cross multiply
    8,375,154.20x = 12,562,731.30 × 5,505,372.80
  4. Step 4: Simplify right side
    8,375,154.20x = 69,162,519,192,728.64
  5. Step 5: Solve for x
    x = 69,162,519,192,728.64/8,375,154.20
  6. Step 6: Final answer
    x = 8,258,059.20

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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.