Home / 21,854,492.20-32,781,738.30-20,361,500.20

Finding the Fourth Proportional to 21,854,492.20, 32,781,738.30 and 20,361,500.20

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Solution

The fourth proportional to 21,854,492.20, 32,781,738.30 and 20,361,500.20 is: 30,542,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,492.20 : 32,781,738.30 = 20,361,500.20 : x
  2. Step 2: Convert to fraction form
    21,854,492.20/32,781,738.30 = 20,361,500.20/x
  3. Step 3: Cross multiply
    21,854,492.20x = 32,781,738.30 × 20,361,500.20
  4. Step 4: Simplify right side
    21,854,492.20x = 667,485,370,951,797.62
  5. Step 5: Solve for x
    x = 667,485,370,951,797.62/21,854,492.20
  6. Step 6: Final answer
    x = 30,542,250.30

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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.