Home / 27,680,463.58-38,198,299.68-15,290,290.35

Finding the Fourth Proportional to 27,680,463.58, 38,198,299.68 and 15,290,290.35

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Solution

The fourth proportional to 27,680,463.58, 38,198,299.68 and 15,290,290.35 is: 21,100,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,463.58 : 38,198,299.68 = 15,290,290.35 : x
  2. Step 2: Convert to fraction form
    27,680,463.58/38,198,299.68 = 15,290,290.35/x
  3. Step 3: Cross multiply
    27,680,463.58x = 38,198,299.68 × 15,290,290.35
  4. Step 4: Simplify right side
    27,680,463.58x = 584,063,092,983,512.12
  5. Step 5: Solve for x
    x = 584,063,092,983,512.12/27,680,463.58
  6. Step 6: Final answer
    x = 21,100,191.88

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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.