Home / 21,561,070.20-32,341,605.30-20,002,176.60

Finding the Fourth Proportional to 21,561,070.20, 32,341,605.30 and 20,002,176.60

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Solution

The fourth proportional to 21,561,070.20, 32,341,605.30 and 20,002,176.60 is: 30,003,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,070.20 : 32,341,605.30 = 20,002,176.60 : x
  2. Step 2: Convert to fraction form
    21,561,070.20/32,341,605.30 = 20,002,176.60/x
  3. Step 3: Cross multiply
    21,561,070.20x = 32,341,605.30 × 20,002,176.60
  4. Step 4: Simplify right side
    21,561,070.20x = 646,902,500,738,096
  5. Step 5: Solve for x
    x = 646,902,500,738,096/21,561,070.20
  6. Step 6: Final answer
    x = 30,003,264.90

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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.