Home / 10,368,042.80-15,552,064.20-9,150,321.20

Finding the Fourth Proportional to 10,368,042.80, 15,552,064.20 and 9,150,321.20

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Solution

The fourth proportional to 10,368,042.80, 15,552,064.20 and 9,150,321.20 is: 13,725,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,042.80 : 15,552,064.20 = 9,150,321.20 : x
  2. Step 2: Convert to fraction form
    10,368,042.80/15,552,064.20 = 9,150,321.20/x
  3. Step 3: Cross multiply
    10,368,042.80x = 15,552,064.20 × 9,150,321.20
  4. Step 4: Simplify right side
    10,368,042.80x = 142,306,382,753,021.03
  5. Step 5: Solve for x
    x = 142,306,382,753,021.03/10,368,042.80
  6. Step 6: Final answer
    x = 13,725,481.80

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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.