Home / 7,680,979.67-11,517,500.09-2,822,045.22

Finding the Fourth Proportional to 7,680,979.67, 11,517,500.09 and 2,822,045.22

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Solution

The fourth proportional to 7,680,979.67, 11,517,500.09 and 2,822,045.22 is: 4,231,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,979.67 : 11,517,500.09 = 2,822,045.22 : x
  2. Step 2: Convert to fraction form
    7,680,979.67/11,517,500.09 = 2,822,045.22/x
  3. Step 3: Cross multiply
    7,680,979.67x = 11,517,500.09 × 2,822,045.22
  4. Step 4: Simplify right side
    7,680,979.67x = 32,502,906,061,223.85
  5. Step 5: Solve for x
    x = 32,502,906,061,223.85/7,680,979.67
  6. Step 6: Final answer
    x = 4,231,609.44

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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.