Home / 8,061,286.71-12,079,972.52-5,920,908.08

Finding the Fourth Proportional to 8,061,286.71, 12,079,972.52 and 5,920,908.08

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Solution

The fourth proportional to 8,061,286.71, 12,079,972.52 and 5,920,908.08 is: 8,872,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061,286.71 : 12,079,972.52 = 5,920,908.08 : x
  2. Step 2: Convert to fraction form
    8,061,286.71/12,079,972.52 = 5,920,908.08/x
  3. Step 3: Cross multiply
    8,061,286.71x = 12,079,972.52 × 5,920,908.08
  4. Step 4: Simplify right side
    8,061,286.71x = 71,524,406,854,843.75
  5. Step 5: Solve for x
    x = 71,524,406,854,843.75/8,061,286.71
  6. Step 6: Final answer
    x = 8,872,579.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.