Home / 8,132,113.40-12,198,170.10-4,478,948.60

Finding the Fourth Proportional to 8,132,113.40, 12,198,170.10 and 4,478,948.60

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Solution

The fourth proportional to 8,132,113.40, 12,198,170.10 and 4,478,948.60 is: 6,718,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132,113.40 : 12,198,170.10 = 4,478,948.60 : x
  2. Step 2: Convert to fraction form
    8,132,113.40/12,198,170.10 = 4,478,948.60/x
  3. Step 3: Cross multiply
    8,132,113.40x = 12,198,170.10 × 4,478,948.60
  4. Step 4: Simplify right side
    8,132,113.40x = 54,634,976,891,956.85
  5. Step 5: Solve for x
    x = 54,634,976,891,956.85/8,132,113.40
  6. Step 6: Final answer
    x = 6,718,422.90

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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.