Home / 20,410,787.67-30,615,414.22-5,058,121.38

Finding the Fourth Proportional to 20,410,787.67, 30,615,414.22 and 5,058,121.38

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Solution

The fourth proportional to 20,410,787.67, 30,615,414.22 and 5,058,121.38 is: 7,586,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,410,787.67 : 30,615,414.22 = 5,058,121.38 : x
  2. Step 2: Convert to fraction form
    20,410,787.67/30,615,414.22 = 5,058,121.38/x
  3. Step 3: Cross multiply
    20,410,787.67x = 30,615,414.22 × 5,058,121.38
  4. Step 4: Simplify right side
    20,410,787.67x = 154,856,481,223,738
  5. Step 5: Solve for x
    x = 154,856,481,223,738/20,410,787.67
  6. Step 6: Final answer
    x = 7,586,991.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.