Home / 25,522,078.20-38,283,117.30-8,485,380.60

Finding the Fourth Proportional to 25,522,078.20, 38,283,117.30 and 8,485,380.60

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Solution

The fourth proportional to 25,522,078.20, 38,283,117.30 and 8,485,380.60 is: 12,728,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522,078.20 : 38,283,117.30 = 8,485,380.60 : x
  2. Step 2: Convert to fraction form
    25,522,078.20/38,283,117.30 = 8,485,380.60/x
  3. Step 3: Cross multiply
    25,522,078.20x = 38,283,117.30 × 8,485,380.60
  4. Step 4: Simplify right side
    25,522,078.20x = 324,846,820,844,944.31
  5. Step 5: Solve for x
    x = 324,846,820,844,944.31/25,522,078.20
  6. Step 6: Final answer
    x = 12,728,070.90

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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.