Home / 20,332,217.27-28,058,661.45-11,039,863.49

Finding the Fourth Proportional to 20,332,217.27, 28,058,661.45 and 11,039,863.49

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Solution

The fourth proportional to 20,332,217.27, 28,058,661.45 and 11,039,863.49 is: 15,235,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,217.27 : 28,058,661.45 = 11,039,863.49 : x
  2. Step 2: Convert to fraction form
    20,332,217.27/28,058,661.45 = 11,039,863.49/x
  3. Step 3: Cross multiply
    20,332,217.27x = 28,058,661.45 × 11,039,863.49
  4. Step 4: Simplify right side
    20,332,217.27x = 309,763,792,190,272.12
  5. Step 5: Solve for x
    x = 309,763,792,190,272.12/20,332,217.27
  6. Step 6: Final answer
    x = 15,235,121.09

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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.