Home / 18,144,627.30-27,179,616.15-12,471,257.70

Finding the Fourth Proportional to 18,144,627.30, 27,179,616.15 and 12,471,257.70

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Solution

The fourth proportional to 18,144,627.30, 27,179,616.15 and 12,471,257.70 is: 18,681,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,627.30 : 27,179,616.15 = 12,471,257.70 : x
  2. Step 2: Convert to fraction form
    18,144,627.30/27,179,616.15 = 12,471,257.70/x
  3. Step 3: Cross multiply
    18,144,627.30x = 27,179,616.15 × 12,471,257.70
  4. Step 4: Simplify right side
    18,144,627.30x = 338,963,997,193,731.81
  5. Step 5: Solve for x
    x = 338,963,997,193,731.81/18,144,627.30
  6. Step 6: Final answer
    x = 18,681,232.28

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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.