Home / 21,581,344.20-32,372,016.30-16,762,945.80

Finding the Fourth Proportional to 21,581,344.20, 32,372,016.30 and 16,762,945.80

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Solution

The fourth proportional to 21,581,344.20, 32,372,016.30 and 16,762,945.80 is: 25,144,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,344.20 : 32,372,016.30 = 16,762,945.80 : x
  2. Step 2: Convert to fraction form
    21,581,344.20/32,372,016.30 = 16,762,945.80/x
  3. Step 3: Cross multiply
    21,581,344.20x = 32,372,016.30 × 16,762,945.80
  4. Step 4: Simplify right side
    21,581,344.20x = 542,650,354,673,616.56
  5. Step 5: Solve for x
    x = 542,650,354,673,616.56/21,581,344.20
  6. Step 6: Final answer
    x = 25,144,418.70

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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.