Home / 7,940,144.76-11,911,398.12-3,680,743.56

Finding the Fourth Proportional to 7,940,144.76, 11,911,398.12 and 3,680,743.56

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Solution

The fourth proportional to 7,940,144.76, 11,911,398.12 and 3,680,743.56 is: 5,521,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,144.76 : 11,911,398.12 = 3,680,743.56 : x
  2. Step 2: Convert to fraction form
    7,940,144.76/11,911,398.12 = 3,680,743.56/x
  3. Step 3: Cross multiply
    7,940,144.76x = 11,911,398.12 × 3,680,743.56
  4. Step 4: Simplify right side
    7,940,144.76x = 43,842,801,920,786.10
  5. Step 5: Solve for x
    x = 43,842,801,920,786.10/7,940,144.76
  6. Step 6: Final answer
    x = 5,521,662.80

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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.