Home / 15,279,528.62-21,086,148.41-8,404,191.11

Finding the Fourth Proportional to 15,279,528.62, 21,086,148.41 and 8,404,191.11

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Solution

The fourth proportional to 15,279,528.62, 21,086,148.41 and 8,404,191.11 is: 11,598,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,528.62 : 21,086,148.41 = 8,404,191.11 : x
  2. Step 2: Convert to fraction form
    15,279,528.62/21,086,148.41 = 8,404,191.11/x
  3. Step 3: Cross multiply
    15,279,528.62x = 21,086,148.41 × 8,404,191.11
  4. Step 4: Simplify right side
    15,279,528.62x = 177,212,020,864,010.97
  5. Step 5: Solve for x
    x = 177,212,020,864,010.97/15,279,528.62
  6. Step 6: Final answer
    x = 11,598,003.14

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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.