Home / 27,990,858.38-38,625,999.48-15,601,972.22

Finding the Fourth Proportional to 27,990,858.38, 38,625,999.48 and 15,601,972.22

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Solution

The fourth proportional to 27,990,858.38, 38,625,999.48 and 15,601,972.22 is: 21,529,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,990,858.38 : 38,625,999.48 = 15,601,972.22 : x
  2. Step 2: Convert to fraction form
    27,990,858.38/38,625,999.48 = 15,601,972.22/x
  3. Step 3: Cross multiply
    27,990,858.38x = 38,625,999.48 × 15,601,972.22
  4. Step 4: Simplify right side
    27,990,858.38x = 602,641,770,856,694.38
  5. Step 5: Solve for x
    x = 602,641,770,856,694.38/27,990,858.38
  6. Step 6: Final answer
    x = 21,529,949.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.