Home / 8,278,892.10-12,418,338.15-2,214,559.80

Finding the Fourth Proportional to 8,278,892.10, 12,418,338.15 and 2,214,559.80

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Solution

The fourth proportional to 8,278,892.10, 12,418,338.15 and 2,214,559.80 is: 3,321,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,892.10 : 12,418,338.15 = 2,214,559.80 : x
  2. Step 2: Convert to fraction form
    8,278,892.10/12,418,338.15 = 2,214,559.80/x
  3. Step 3: Cross multiply
    8,278,892.10x = 12,418,338.15 × 2,214,559.80
  4. Step 4: Simplify right side
    8,278,892.10x = 27,501,152,449,796.37
  5. Step 5: Solve for x
    x = 27,501,152,449,796.37/8,278,892.10
  6. Step 6: Final answer
    x = 3,321,839.70

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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.