Home / 21,581,286.20-32,371,929.30-16,762,887.80

Finding the Fourth Proportional to 21,581,286.20, 32,371,929.30 and 16,762,887.80

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Solution

The fourth proportional to 21,581,286.20, 32,371,929.30 and 16,762,887.80 is: 25,144,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,286.20 : 32,371,929.30 = 16,762,887.80 : x
  2. Step 2: Convert to fraction form
    21,581,286.20/32,371,929.30 = 16,762,887.80/x
  3. Step 3: Cross multiply
    21,581,286.20x = 32,371,929.30 × 16,762,887.80
  4. Step 4: Simplify right side
    21,581,286.20x = 542,647,018,725,432.56
  5. Step 5: Solve for x
    x = 542,647,018,725,432.56/21,581,286.20
  6. Step 6: Final answer
    x = 25,144,331.70

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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.