Home / 30,485,217.55-45,714,540.30-12,283,363.30

Finding the Fourth Proportional to 30,485,217.55, 45,714,540.30 and 12,283,363.30

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Solution

The fourth proportional to 30,485,217.55, 45,714,540.30 and 12,283,363.30 is: 18,419,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485,217.55 : 45,714,540.30 = 12,283,363.30 : x
  2. Step 2: Convert to fraction form
    30,485,217.55/45,714,540.30 = 12,283,363.30/x
  3. Step 3: Cross multiply
    30,485,217.55x = 45,714,540.30 × 12,283,363.30
  4. Step 4: Simplify right side
    30,485,217.55x = 561,528,306,597,391
  5. Step 5: Solve for x
    x = 561,528,306,597,391/30,485,217.55
  6. Step 6: Final answer
    x = 18,419,691.63

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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.