Home / 7,979,403.60-11,969,105.40-5,543,960.40

Finding the Fourth Proportional to 7,979,403.60, 11,969,105.40 and 5,543,960.40

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Solution

The fourth proportional to 7,979,403.60, 11,969,105.40 and 5,543,960.40 is: 8,315,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,403.60 : 11,969,105.40 = 5,543,960.40 : x
  2. Step 2: Convert to fraction form
    7,979,403.60/11,969,105.40 = 5,543,960.40/x
  3. Step 3: Cross multiply
    7,979,403.60x = 11,969,105.40 × 5,543,960.40
  4. Step 4: Simplify right side
    7,979,403.60x = 66,356,246,361,026.16
  5. Step 5: Solve for x
    x = 66,356,246,361,026.16/7,979,403.60
  6. Step 6: Final answer
    x = 8,315,940.60

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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.