Home / 18,116,805.82-27,177,732.20-5,821,139.16

Finding the Fourth Proportional to 18,116,805.82, 27,177,732.20 and 5,821,139.16

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Solution

The fourth proportional to 18,116,805.82, 27,177,732.20 and 5,821,139.16 is: 8,732,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,805.82 : 27,177,732.20 = 5,821,139.16 : x
  2. Step 2: Convert to fraction form
    18,116,805.82/27,177,732.20 = 5,821,139.16/x
  3. Step 3: Cross multiply
    18,116,805.82x = 27,177,732.20 × 5,821,139.16
  4. Step 4: Simplify right side
    18,116,805.82x = 158,205,361,189,412.94
  5. Step 5: Solve for x
    x = 158,205,361,189,412.94/18,116,805.82
  6. Step 6: Final answer
    x = 8,732,519.56

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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.