Home / 10,360,035.20-15,540,052.80-5,321,187.20

Finding the Fourth Proportional to 10,360,035.20, 15,540,052.80 and 5,321,187.20

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Solution

The fourth proportional to 10,360,035.20, 15,540,052.80 and 5,321,187.20 is: 7,981,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360,035.20 : 15,540,052.80 = 5,321,187.20 : x
  2. Step 2: Convert to fraction form
    10,360,035.20/15,540,052.80 = 5,321,187.20/x
  3. Step 3: Cross multiply
    10,360,035.20x = 15,540,052.80 × 5,321,187.20
  4. Step 4: Simplify right side
    10,360,035.20x = 82,691,530,046,684.17
  5. Step 5: Solve for x
    x = 82,691,530,046,684.17/10,360,035.20
  6. Step 6: Final answer
    x = 7,981,780.80

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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.