Home / 21,720,188.20-32,587,369.50-10,359,160.84

Finding the Fourth Proportional to 21,720,188.20, 32,587,369.50 and 10,359,160.84

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Solution

The fourth proportional to 21,720,188.20, 32,587,369.50 and 10,359,160.84 is: 15,542,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,188.20 : 32,587,369.50 = 10,359,160.84 : x
  2. Step 2: Convert to fraction form
    21,720,188.20/32,587,369.50 = 10,359,160.84/x
  3. Step 3: Cross multiply
    21,720,188.20x = 32,587,369.50 × 10,359,160.84
  4. Step 4: Simplify right side
    21,720,188.20x = 337,577,802,003,010.38
  5. Step 5: Solve for x
    x = 337,577,802,003,010.38/21,720,188.20
  6. Step 6: Final answer
    x = 15,542,121.41

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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.