Home / 8,278,889.85-12,418,334.78-2,214,557.55

Finding the Fourth Proportional to 8,278,889.85, 12,418,334.78 and 2,214,557.55

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Solution

The fourth proportional to 8,278,889.85, 12,418,334.78 and 2,214,557.55 is: 3,321,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,889.85 : 12,418,334.78 = 2,214,557.55 : x
  2. Step 2: Convert to fraction form
    8,278,889.85/12,418,334.78 = 2,214,557.55/x
  3. Step 3: Cross multiply
    8,278,889.85x = 12,418,334.78 × 2,214,557.55
  4. Step 4: Simplify right side
    8,278,889.85x = 27,501,117,034,403.80
  5. Step 5: Solve for x
    x = 27,501,117,034,403.80/8,278,889.85
  6. Step 6: Final answer
    x = 3,321,836.33

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Double scale
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Similar ratio
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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.