Home / 10,646,383.80-15,969,575.70-6,391,356.60

Finding the Fourth Proportional to 10,646,383.80, 15,969,575.70 and 6,391,356.60

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Solution

The fourth proportional to 10,646,383.80, 15,969,575.70 and 6,391,356.60 is: 9,587,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646,383.80 : 15,969,575.70 = 6,391,356.60 : x
  2. Step 2: Convert to fraction form
    10,646,383.80/15,969,575.70 = 6,391,356.60/x
  3. Step 3: Cross multiply
    10,646,383.80x = 15,969,575.70 × 6,391,356.60
  4. Step 4: Simplify right side
    10,646,383.80x = 102,067,253,049,394.61
  5. Step 5: Solve for x
    x = 102,067,253,049,394.61/10,646,383.80
  6. Step 6: Final answer
    x = 9,587,034.90

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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.