Home / 21,519,982.80-32,279,974.20-21,519,982.80

Finding the Fourth Proportional to 21,519,982.80, 32,279,974.20 and 21,519,982.80

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Solution

The fourth proportional to 21,519,982.80, 32,279,974.20 and 21,519,982.80 is: 32,279,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,982.80 : 32,279,974.20 = 21,519,982.80 : x
  2. Step 2: Convert to fraction form
    21,519,982.80/32,279,974.20 = 21,519,982.80/x
  3. Step 3: Cross multiply
    21,519,982.80x = 32,279,974.20 × 21,519,982.80
  4. Step 4: Simplify right side
    21,519,982.80x = 694,664,489,568,443.75
  5. Step 5: Solve for x
    x = 694,664,489,568,443.75/21,519,982.80
  6. Step 6: Final answer
    x = 32,279,974.20

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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.