Home / 21,581,479.20-32,372,218.80-16,763,080.80

Finding the Fourth Proportional to 21,581,479.20, 32,372,218.80 and 16,763,080.80

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Solution

The fourth proportional to 21,581,479.20, 32,372,218.80 and 16,763,080.80 is: 25,144,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,479.20 : 32,372,218.80 = 16,763,080.80 : x
  2. Step 2: Convert to fraction form
    21,581,479.20/32,372,218.80 = 16,763,080.80/x
  3. Step 3: Cross multiply
    21,581,479.20x = 32,372,218.80 × 16,763,080.80
  4. Step 4: Simplify right side
    21,581,479.20x = 542,658,119,419,679.06
  5. Step 5: Solve for x
    x = 542,658,119,419,679.06/21,581,479.20
  6. Step 6: Final answer
    x = 25,144,621.20

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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.