Home / 18,145,891.80-27,187,344.90-11,752,853.40

Finding the Fourth Proportional to 18,145,891.80, 27,187,344.90 and 11,752,853.40

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Solution

The fourth proportional to 18,145,891.80, 27,187,344.90 and 11,752,853.40 is: 17,608,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,891.80 : 27,187,344.90 = 11,752,853.40 : x
  2. Step 2: Convert to fraction form
    18,145,891.80/27,187,344.90 = 11,752,853.40/x
  3. Step 3: Cross multiply
    18,145,891.80x = 27,187,344.90 × 11,752,853.40
  4. Step 4: Simplify right side
    18,145,891.80x = 319,528,878,944,937.62
  5. Step 5: Solve for x
    x = 319,528,878,944,937.62/18,145,891.80
  6. Step 6: Final answer
    x = 17,608,882.63

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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.