Home / 18,144,493.80-27,221,552.10-7,904,959.80

Finding the Fourth Proportional to 18,144,493.80, 27,221,552.10 and 7,904,959.80

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Solution

The fourth proportional to 18,144,493.80, 27,221,552.10 and 7,904,959.80 is: 11,859,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,493.80 : 27,221,552.10 = 7,904,959.80 : x
  2. Step 2: Convert to fraction form
    18,144,493.80/27,221,552.10 = 7,904,959.80/x
  3. Step 3: Cross multiply
    18,144,493.80x = 27,221,552.10 × 7,904,959.80
  4. Step 4: Simplify right side
    18,144,493.80x = 215,185,275,044,105.59
  5. Step 5: Solve for x
    x = 215,185,275,044,105.59/18,144,493.80
  6. Step 6: Final answer
    x = 11,859,535.87

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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.