Home / 18,122,911.80-27,199,239.30-17,981,194.20

Finding the Fourth Proportional to 18,122,911.80, 27,199,239.30 and 17,981,194.20

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Solution

The fourth proportional to 18,122,911.80, 27,199,239.30 and 17,981,194.20 is: 26,986,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,911.80 : 27,199,239.30 = 17,981,194.20 : x
  2. Step 2: Convert to fraction form
    18,122,911.80/27,199,239.30 = 17,981,194.20/x
  3. Step 3: Cross multiply
    18,122,911.80x = 27,199,239.30 × 17,981,194.20
  4. Step 4: Simplify right side
    18,122,911.80x = 489,074,803,945,572.06
  5. Step 5: Solve for x
    x = 489,074,803,945,572.06/18,122,911.80
  6. Step 6: Final answer
    x = 26,986,546.61

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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.