Home / 21,581,539.20-32,372,308.80-16,763,140.80

Finding the Fourth Proportional to 21,581,539.20, 32,372,308.80 and 16,763,140.80

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Solution

The fourth proportional to 21,581,539.20, 32,372,308.80 and 16,763,140.80 is: 25,144,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,539.20 : 32,372,308.80 = 16,763,140.80 : x
  2. Step 2: Convert to fraction form
    21,581,539.20/32,372,308.80 = 16,763,140.80/x
  3. Step 3: Cross multiply
    21,581,539.20x = 32,372,308.80 × 16,763,140.80
  4. Step 4: Simplify right side
    21,581,539.20x = 542,661,570,435,479.06
  5. Step 5: Solve for x
    x = 542,661,570,435,479.06/21,581,539.20
  6. Step 6: Final answer
    x = 25,144,711.20

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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.