Home / 7,739,240.40-11,608,824.08-1,981,962.88

Finding the Fourth Proportional to 7,739,240.40, 11,608,824.08 and 1,981,962.88

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Solution

The fourth proportional to 7,739,240.40, 11,608,824.08 and 1,981,962.88 is: 2,972,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,240.40 : 11,608,824.08 = 1,981,962.88 : x
  2. Step 2: Convert to fraction form
    7,739,240.40/11,608,824.08 = 1,981,962.88/x
  3. Step 3: Cross multiply
    7,739,240.40x = 11,608,824.08 × 1,981,962.88
  4. Step 4: Simplify right side
    7,739,240.40x = 23,008,258,407,010.15
  5. Step 5: Solve for x
    x = 23,008,258,407,010.15/7,739,240.40
  6. Step 6: Final answer
    x = 2,972,934.97

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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.