Home / 18,144,627.80-27,179,616.90-12,471,258.20

Finding the Fourth Proportional to 18,144,627.80, 27,179,616.90 and 12,471,258.20

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Solution

The fourth proportional to 18,144,627.80, 27,179,616.90 and 12,471,258.20 is: 18,681,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,627.80 : 27,179,616.90 = 12,471,258.20 : x
  2. Step 2: Convert to fraction form
    18,144,627.80/27,179,616.90 = 12,471,258.20/x
  3. Step 3: Cross multiply
    18,144,627.80x = 27,179,616.90 × 12,471,258.20
  4. Step 4: Simplify right side
    18,144,627.80x = 338,964,020,136,983.56
  5. Step 5: Solve for x
    x = 338,964,020,136,983.56/18,144,627.80
  6. Step 6: Final answer
    x = 18,681,233.03

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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.