Home / 18,500,290.61-27,740,874.14-8,121,261.65

Finding the Fourth Proportional to 18,500,290.61, 27,740,874.14 and 8,121,261.65

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Solution

The fourth proportional to 18,500,290.61, 27,740,874.14 and 8,121,261.65 is: 12,177,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,290.61 : 27,740,874.14 = 8,121,261.65 : x
  2. Step 2: Convert to fraction form
    18,500,290.61/27,740,874.14 = 8,121,261.65/x
  3. Step 3: Cross multiply
    18,500,290.61x = 27,740,874.14 × 8,121,261.65
  4. Step 4: Simplify right side
    18,500,290.61x = 225,290,897,250,052.44
  5. Step 5: Solve for x
    x = 225,290,897,250,052.44/18,500,290.61
  6. Step 6: Final answer
    x = 12,177,695.04

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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.