Home / 21,454,167.80-32,181,251.70-7,270,743.80

Finding the Fourth Proportional to 21,454,167.80, 32,181,251.70 and 7,270,743.80

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Solution

The fourth proportional to 21,454,167.80, 32,181,251.70 and 7,270,743.80 is: 10,906,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,454,167.80 : 32,181,251.70 = 7,270,743.80 : x
  2. Step 2: Convert to fraction form
    21,454,167.80/32,181,251.70 = 7,270,743.80/x
  3. Step 3: Cross multiply
    21,454,167.80x = 32,181,251.70 × 7,270,743.80
  4. Step 4: Simplify right side
    21,454,167.80x = 233,981,636,274,014.44
  5. Step 5: Solve for x
    x = 233,981,636,274,014.44/21,454,167.80
  6. Step 6: Final answer
    x = 10,906,115.70

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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.