Home / 7,988,268.20-11,982,402.30-5,300,882.60

Finding the Fourth Proportional to 7,988,268.20, 11,982,402.30 and 5,300,882.60

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Solution

The fourth proportional to 7,988,268.20, 11,982,402.30 and 5,300,882.60 is: 7,951,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,268.20 : 11,982,402.30 = 5,300,882.60 : x
  2. Step 2: Convert to fraction form
    7,988,268.20/11,982,402.30 = 5,300,882.60/x
  3. Step 3: Cross multiply
    7,988,268.20x = 11,982,402.30 × 5,300,882.60
  4. Step 4: Simplify right side
    7,988,268.20x = 63,517,307,858,269.98
  5. Step 5: Solve for x
    x = 63,517,307,858,269.98/7,988,268.20
  6. Step 6: Final answer
    x = 7,951,323.90

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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.