Home / 7,825,480.80-11,738,221.20-5,557,999.20

Finding the Fourth Proportional to 7,825,480.80, 11,738,221.20 and 5,557,999.20

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Solution

The fourth proportional to 7,825,480.80, 11,738,221.20 and 5,557,999.20 is: 8,336,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825,480.80 : 11,738,221.20 = 5,557,999.20 : x
  2. Step 2: Convert to fraction form
    7,825,480.80/11,738,221.20 = 5,557,999.20/x
  3. Step 3: Cross multiply
    7,825,480.80x = 11,738,221.20 × 5,557,999.20
  4. Step 4: Simplify right side
    7,825,480.80x = 65,241,024,039,023.04
  5. Step 5: Solve for x
    x = 65,241,024,039,023.04/7,825,480.80
  6. Step 6: Final answer
    x = 8,336,998.80

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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.