Home / 20,329,385-28,054,469.34-11,627,545.28

Finding the Fourth Proportional to 20,329,385, 28,054,469.34 and 11,627,545.28

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Solution

The fourth proportional to 20,329,385, 28,054,469.34 and 11,627,545.28 is: 16,045,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329,385 : 28,054,469.34 = 11,627,545.28 : x
  2. Step 2: Convert to fraction form
    20,329,385/28,054,469.34 = 11,627,545.28/x
  3. Step 3: Cross multiply
    20,329,385x = 28,054,469.34 × 11,627,545.28
  4. Step 4: Simplify right side
    20,329,385x = 326,204,612,557,221.69
  5. Step 5: Solve for x
    x = 326,204,612,557,221.69/20,329,385
  6. Step 6: Final answer
    x = 16,045,965.61

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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.