Home / 20,332,219.27-28,058,664.21-11,039,865.49

Finding the Fourth Proportional to 20,332,219.27, 28,058,664.21 and 11,039,865.49

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Solution

The fourth proportional to 20,332,219.27, 28,058,664.21 and 11,039,865.49 is: 15,235,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,219.27 : 28,058,664.21 = 11,039,865.49 : x
  2. Step 2: Convert to fraction form
    20,332,219.27/28,058,664.21 = 11,039,865.49/x
  3. Step 3: Cross multiply
    20,332,219.27x = 28,058,664.21 × 11,039,865.49
  4. Step 4: Simplify right side
    20,332,219.27x = 309,763,878,707,477.12
  5. Step 5: Solve for x
    x = 309,763,878,707,477.12/20,332,219.27
  6. Step 6: Final answer
    x = 15,235,123.85

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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.