Home / 18,172,546.60-27,222,078.30-11,328,111.40

Finding the Fourth Proportional to 18,172,546.60, 27,222,078.30 and 11,328,111.40

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Solution

The fourth proportional to 18,172,546.60, 27,222,078.30 and 11,328,111.40 is: 16,969,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,546.60 : 27,222,078.30 = 11,328,111.40 : x
  2. Step 2: Convert to fraction form
    18,172,546.60/27,222,078.30 = 11,328,111.40/x
  3. Step 3: Cross multiply
    18,172,546.60x = 27,222,078.30 × 11,328,111.40
  4. Step 4: Simplify right side
    18,172,546.60x = 308,374,735,521,922.62
  5. Step 5: Solve for x
    x = 308,374,735,521,922.62/18,172,546.60
  6. Step 6: Final answer
    x = 16,969,263.71

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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.