Home / 12,251,286.80-18,376,930.20-9,062,640.80

Finding the Fourth Proportional to 12,251,286.80, 18,376,930.20 and 9,062,640.80

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Solution

The fourth proportional to 12,251,286.80, 18,376,930.20 and 9,062,640.80 is: 13,593,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,286.80 : 18,376,930.20 = 9,062,640.80 : x
  2. Step 2: Convert to fraction form
    12,251,286.80/18,376,930.20 = 9,062,640.80/x
  3. Step 3: Cross multiply
    12,251,286.80x = 18,376,930.20 × 9,062,640.80
  4. Step 4: Simplify right side
    12,251,286.80x = 166,543,517,409,272.16
  5. Step 5: Solve for x
    x = 166,543,517,409,272.16/12,251,286.80
  6. Step 6: Final answer
    x = 13,593,961.20

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1.5x scale

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.