Home / 27,680,918.56-38,198,927.22-15,290,745.32

Finding the Fourth Proportional to 27,680,918.56, 38,198,927.22 and 15,290,745.32

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Solution

The fourth proportional to 27,680,918.56, 38,198,927.22 and 15,290,745.32 is: 21,100,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,918.56 : 38,198,927.22 = 15,290,745.32 : x
  2. Step 2: Convert to fraction form
    27,680,918.56/38,198,927.22 = 15,290,745.32/x
  3. Step 3: Cross multiply
    27,680,918.56x = 38,198,927.22 × 15,290,745.32
  4. Step 4: Simplify right side
    27,680,918.56x = 584,090,067,618,235.62
  5. Step 5: Solve for x
    x = 584,090,067,618,235.62/27,680,918.56
  6. Step 6: Final answer
    x = 21,100,819.55

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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.