Home / 20,368,737.30-28,109,596.61-11,668,591.38

Finding the Fourth Proportional to 20,368,737.30, 28,109,596.61 and 11,668,591.38

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Solution

The fourth proportional to 20,368,737.30, 28,109,596.61 and 11,668,591.38 is: 16,103,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,737.30 : 28,109,596.61 = 11,668,591.38 : x
  2. Step 2: Convert to fraction form
    20,368,737.30/28,109,596.61 = 11,668,591.38/x
  3. Step 3: Cross multiply
    20,368,737.30x = 28,109,596.61 × 11,668,591.38
  4. Step 4: Simplify right side
    20,368,737.30x = 327,999,396,640,380.31
  5. Step 5: Solve for x
    x = 327,999,396,640,380.31/20,368,737.30
  6. Step 6: Final answer
    x = 16,103,079.53

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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.