Home / 8,189,670.20-12,284,505.30-7,244,886.20

Finding the Fourth Proportional to 8,189,670.20, 12,284,505.30 and 7,244,886.20

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Solution

The fourth proportional to 8,189,670.20, 12,284,505.30 and 7,244,886.20 is: 10,867,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,670.20 : 12,284,505.30 = 7,244,886.20 : x
  2. Step 2: Convert to fraction form
    8,189,670.20/12,284,505.30 = 7,244,886.20/x
  3. Step 3: Cross multiply
    8,189,670.20x = 12,284,505.30 × 7,244,886.20
  4. Step 4: Simplify right side
    8,189,670.20x = 88,999,842,921,796.88
  5. Step 5: Solve for x
    x = 88,999,842,921,796.88/8,189,670.20
  6. Step 6: Final answer
    x = 10,867,329.30

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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.