Home / 20,696,363.52-28,561,841.92-11,529,003.52

Finding the Fourth Proportional to 20,696,363.52, 28,561,841.92 and 11,529,003.52

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Solution

The fourth proportional to 20,696,363.52, 28,561,841.92 and 11,529,003.52 is: 15,910,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,363.52 : 28,561,841.92 = 11,529,003.52 : x
  2. Step 2: Convert to fraction form
    20,696,363.52/28,561,841.92 = 11,529,003.52/x
  3. Step 3: Cross multiply
    20,696,363.52x = 28,561,841.92 × 11,529,003.52
  4. Step 4: Simplify right side
    20,696,363.52x = 329,289,576,033,363.56
  5. Step 5: Solve for x
    x = 329,289,576,033,363.56/20,696,363.52
  6. Step 6: Final answer
    x = 15,910,504.07

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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.