Home / 21,897,979.80-32,865,632.10-9,786,082.20

Finding the Fourth Proportional to 21,897,979.80, 32,865,632.10 and 9,786,082.20

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Solution

The fourth proportional to 21,897,979.80, 32,865,632.10 and 9,786,082.20 is: 14,687,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897,979.80 : 32,865,632.10 = 9,786,082.20 : x
  2. Step 2: Convert to fraction form
    21,897,979.80/32,865,632.10 = 9,786,082.20/x
  3. Step 3: Cross multiply
    21,897,979.80x = 32,865,632.10 × 9,786,082.20
  4. Step 4: Simplify right side
    21,897,979.80x = 321,625,777,285,558.62
  5. Step 5: Solve for x
    x = 321,625,777,285,558.62/21,897,979.80
  6. Step 6: Final answer
    x = 14,687,463.42

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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.