Home / 18,144,624.80-27,179,612.40-12,471,255.20

Finding the Fourth Proportional to 18,144,624.80, 27,179,612.40 and 12,471,255.20

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Solution

The fourth proportional to 18,144,624.80, 27,179,612.40 and 12,471,255.20 is: 18,681,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,624.80 : 27,179,612.40 = 12,471,255.20 : x
  2. Step 2: Convert to fraction form
    18,144,624.80/27,179,612.40 = 12,471,255.20/x
  3. Step 3: Cross multiply
    18,144,624.80x = 27,179,612.40 × 12,471,255.20
  4. Step 4: Simplify right side
    18,144,624.80x = 338,963,882,477,484.44
  5. Step 5: Solve for x
    x = 338,963,882,477,484.44/18,144,624.80
  6. Step 6: Final answer
    x = 18,681,228.53

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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.