Home / 18,136,935.20-27,142,417.20-12,468,231.20

Finding the Fourth Proportional to 18,136,935.20, 27,142,417.20 and 12,468,231.20

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Solution

The fourth proportional to 18,136,935.20, 27,142,417.20 and 12,468,231.20 is: 18,659,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136,935.20 : 27,142,417.20 = 12,468,231.20 : x
  2. Step 2: Convert to fraction form
    18,136,935.20/27,142,417.20 = 12,468,231.20/x
  3. Step 3: Cross multiply
    18,136,935.20x = 27,142,417.20 × 12,468,231.20
  4. Step 4: Simplify right side
    18,136,935.20x = 338,417,932,976,456.62
  5. Step 5: Solve for x
    x = 338,417,932,976,456.62/18,136,935.20
  6. Step 6: Final answer
    x = 18,659,047.37

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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.