Home / 20,262,260.09-27,961,930.55-10,969,832.57

Finding the Fourth Proportional to 20,262,260.09, 27,961,930.55 and 10,969,832.57

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Solution

The fourth proportional to 20,262,260.09, 27,961,930.55 and 10,969,832.57 is: 15,138,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,260.09 : 27,961,930.55 = 10,969,832.57 : x
  2. Step 2: Convert to fraction form
    20,262,260.09/27,961,930.55 = 10,969,832.57/x
  3. Step 3: Cross multiply
    20,262,260.09x = 27,961,930.55 × 10,969,832.57
  4. Step 4: Simplify right side
    20,262,260.09x = 306,737,696,355,082.94
  5. Step 5: Solve for x
    x = 306,737,696,355,082.94/20,262,260.09
  6. Step 6: Final answer
    x = 15,138,375.23

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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.