Home / 18,145,891.30-27,187,344.15-11,752,852.90

Finding the Fourth Proportional to 18,145,891.30, 27,187,344.15 and 11,752,852.90

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Solution

The fourth proportional to 18,145,891.30, 27,187,344.15 and 11,752,852.90 is: 17,608,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,891.30 : 27,187,344.15 = 11,752,852.90 : x
  2. Step 2: Convert to fraction form
    18,145,891.30/27,187,344.15 = 11,752,852.90/x
  3. Step 3: Cross multiply
    18,145,891.30x = 27,187,344.15 × 11,752,852.90
  4. Step 4: Simplify right side
    18,145,891.30x = 319,528,856,536,625.50
  5. Step 5: Solve for x
    x = 319,528,856,536,625.50/18,145,891.30
  6. Step 6: Final answer
    x = 17,608,881.88

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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.