Home / 11,071,691.42-15,278,943.72-6,176,914.51

Finding the Fourth Proportional to 11,071,691.42, 15,278,943.72 and 6,176,914.51

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Solution

The fourth proportional to 11,071,691.42, 15,278,943.72 and 6,176,914.51 is: 8,524,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,691.42 : 15,278,943.72 = 6,176,914.51 : x
  2. Step 2: Convert to fraction form
    11,071,691.42/15,278,943.72 = 6,176,914.51/x
  3. Step 3: Cross multiply
    11,071,691.42x = 15,278,943.72 × 6,176,914.51
  4. Step 4: Simplify right side
    11,071,691.42x = 94,376,729,123,344.03
  5. Step 5: Solve for x
    x = 94,376,729,123,344.03/11,071,691.42
  6. Step 6: Final answer
    x = 8,524,147.36

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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.