Home / 21,981,786.60-32,975,632.38-8,339,991.38

Finding the Fourth Proportional to 21,981,786.60, 32,975,632.38 and 8,339,991.38

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Solution

The fourth proportional to 21,981,786.60, 32,975,632.38 and 8,339,991.38 is: 12,511,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,981,786.60 : 32,975,632.38 = 8,339,991.38 : x
  2. Step 2: Convert to fraction form
    21,981,786.60/32,975,632.38 = 8,339,991.38/x
  3. Step 3: Cross multiply
    21,981,786.60x = 32,975,632.38 × 8,339,991.38
  4. Step 4: Simplify right side
    21,981,786.60x = 275,016,489,634,370.72
  5. Step 5: Solve for x
    x = 275,016,489,634,370.72/21,981,786.60
  6. Step 6: Final answer
    x = 12,511,107.25

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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.