Home / 9,122,901.32-12,522,542.40-8,067,280.16

Finding the Fourth Proportional to 9,122,901.32, 12,522,542.40 and 8,067,280.16

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Solution

The fourth proportional to 9,122,901.32, 12,522,542.40 and 8,067,280.16 is: 11,073,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,901.32 : 12,522,542.40 = 8,067,280.16 : x
  2. Step 2: Convert to fraction form
    9,122,901.32/12,522,542.40 = 8,067,280.16/x
  3. Step 3: Cross multiply
    9,122,901.32x = 12,522,542.40 × 8,067,280.16
  4. Step 4: Simplify right side
    9,122,901.32x = 101,022,857,856,278.78
  5. Step 5: Solve for x
    x = 101,022,857,856,278.78/9,122,901.32
  6. Step 6: Final answer
    x = 11,073,544.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.