Home / 21,561,206.20-32,341,809.30-20,002,312.60

Finding the Fourth Proportional to 21,561,206.20, 32,341,809.30 and 20,002,312.60

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Solution

The fourth proportional to 21,561,206.20, 32,341,809.30 and 20,002,312.60 is: 30,003,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,206.20 : 32,341,809.30 = 20,002,312.60 : x
  2. Step 2: Convert to fraction form
    21,561,206.20/32,341,809.30 = 20,002,312.60/x
  3. Step 3: Cross multiply
    21,561,206.20x = 32,341,809.30 × 20,002,312.60
  4. Step 4: Simplify right side
    21,561,206.20x = 646,910,979,668,187.25
  5. Step 5: Solve for x
    x = 646,910,979,668,187.25/21,561,206.20
  6. Step 6: Final answer
    x = 30,003,468.90

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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.