Home / 8,073,906.20-12,110,859.30-3,280,002.20

Finding the Fourth Proportional to 8,073,906.20, 12,110,859.30 and 3,280,002.20

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Solution

The fourth proportional to 8,073,906.20, 12,110,859.30 and 3,280,002.20 is: 4,920,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073,906.20 : 12,110,859.30 = 3,280,002.20 : x
  2. Step 2: Convert to fraction form
    8,073,906.20/12,110,859.30 = 3,280,002.20/x
  3. Step 3: Cross multiply
    8,073,906.20x = 12,110,859.30 × 3,280,002.20
  4. Step 4: Simplify right side
    8,073,906.20x = 39,723,645,147,890.46
  5. Step 5: Solve for x
    x = 39,723,645,147,890.46/8,073,906.20
  6. Step 6: Final answer
    x = 4,920,003.30

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1.5x scale

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.