Home / 18,383,618.25-27,559,990.80-8,001,083.61

Finding the Fourth Proportional to 18,383,618.25, 27,559,990.80 and 8,001,083.61

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Solution

The fourth proportional to 18,383,618.25, 27,559,990.80 and 8,001,083.61 is: 11,994,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383,618.25 : 27,559,990.80 = 8,001,083.61 : x
  2. Step 2: Convert to fraction form
    18,383,618.25/27,559,990.80 = 8,001,083.61/x
  3. Step 3: Cross multiply
    18,383,618.25x = 27,559,990.80 × 8,001,083.61
  4. Step 4: Simplify right side
    18,383,618.25x = 220,509,790,681,630.81
  5. Step 5: Solve for x
    x = 220,509,790,681,630.81/18,383,618.25
  6. Step 6: Final answer
    x = 11,994,906.97

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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.