Home / 10,360,036.20-15,540,054.30-5,321,188.20

Finding the Fourth Proportional to 10,360,036.20, 15,540,054.30 and 5,321,188.20

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Solution

The fourth proportional to 10,360,036.20, 15,540,054.30 and 5,321,188.20 is: 7,981,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,036.20 : 15,540,054.30 = 5,321,188.20 : x
  2. Step 2: Convert to fraction form
    10,360,036.20/15,540,054.30 = 5,321,188.20/x
  3. Step 3: Cross multiply
    10,360,036.20x = 15,540,054.30 × 5,321,188.20
  4. Step 4: Simplify right side
    10,360,036.20x = 82,691,553,568,519.27
  5. Step 5: Solve for x
    x = 82,691,553,568,519.27/10,360,036.20
  6. Step 6: Final answer
    x = 7,981,782.30

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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.