Home / 7,127,923.48-9,836,982.30-3,908,659.48

Finding the Fourth Proportional to 7,127,923.48, 9,836,982.30 and 3,908,659.48

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Solution

The fourth proportional to 7,127,923.48, 9,836,982.30 and 3,908,659.48 is: 5,394,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,923.48 : 9,836,982.30 = 3,908,659.48 : x
  2. Step 2: Convert to fraction form
    7,127,923.48/9,836,982.30 = 3,908,659.48/x
  3. Step 3: Cross multiply
    7,127,923.48x = 9,836,982.30 × 3,908,659.48
  4. Step 4: Simplify right side
    7,127,923.48x = 38,449,414,121,487.20
  5. Step 5: Solve for x
    x = 38,449,414,121,487.20/7,127,923.48
  6. Step 6: Final answer
    x = 5,394,195.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.