Home / 7,981,335.40-11,972,003.10-2,936,266.60

Finding the Fourth Proportional to 7,981,335.40, 11,972,003.10 and 2,936,266.60

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Solution

The fourth proportional to 7,981,335.40, 11,972,003.10 and 2,936,266.60 is: 4,404,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,335.40 : 11,972,003.10 = 2,936,266.60 : x
  2. Step 2: Convert to fraction form
    7,981,335.40/11,972,003.10 = 2,936,266.60/x
  3. Step 3: Cross multiply
    7,981,335.40x = 11,972,003.10 × 2,936,266.60
  4. Step 4: Simplify right side
    7,981,335.40x = 35,152,992,837,626.46
  5. Step 5: Solve for x
    x = 35,152,992,837,626.46/7,981,335.40
  6. Step 6: Final answer
    x = 4,404,399.90

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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.