Home / 7,127,990.40-10,691,447.92-2,270,100.56

Finding the Fourth Proportional to 7,127,990.40, 10,691,447.92 and 2,270,100.56

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Solution

The fourth proportional to 7,127,990.40, 10,691,447.92 and 2,270,100.56 is: 3,404,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,990.40 : 10,691,447.92 = 2,270,100.56 : x
  2. Step 2: Convert to fraction form
    7,127,990.40/10,691,447.92 = 2,270,100.56/x
  3. Step 3: Cross multiply
    7,127,990.40x = 10,691,447.92 × 2,270,100.56
  4. Step 4: Simplify right side
    7,127,990.40x = 24,270,661,910,402.84
  5. Step 5: Solve for x
    x = 24,270,661,910,402.84/7,127,990.40
  6. Step 6: Final answer
    x = 3,404,979.60

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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.