Home / 7,427,255.60-11,158,598.10-6,647,808.80

Finding the Fourth Proportional to 7,427,255.60, 11,158,598.10 and 6,647,808.80

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Solution

The fourth proportional to 7,427,255.60, 11,158,598.10 and 6,647,808.80 is: 9,987,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,255.60 : 11,158,598.10 = 6,647,808.80 : x
  2. Step 2: Convert to fraction form
    7,427,255.60/11,158,598.10 = 6,647,808.80/x
  3. Step 3: Cross multiply
    7,427,255.60x = 11,158,598.10 × 6,647,808.80
  4. Step 4: Simplify right side
    7,427,255.60x = 74,180,226,644,843.28
  5. Step 5: Solve for x
    x = 74,180,226,644,843.28/7,427,255.60
  6. Step 6: Final answer
    x = 9,987,568.85

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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.