Home / 40,500,832.48-55,891,297.01-21,915,972.87

Finding the Fourth Proportional to 40,500,832.48, 55,891,297.01 and 21,915,972.87

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Solution

The fourth proportional to 40,500,832.48, 55,891,297.01 and 21,915,972.87 is: 30,244,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,832.48 : 55,891,297.01 = 21,915,972.87 : x
  2. Step 2: Convert to fraction form
    40,500,832.48/55,891,297.01 = 21,915,972.87/x
  3. Step 3: Cross multiply
    40,500,832.48x = 55,891,297.01 × 21,915,972.87
  4. Step 4: Simplify right side
    40,500,832.48x = 1,224,912,148,785,469.75
  5. Step 5: Solve for x
    x = 1,224,912,148,785,469.75/40,500,832.48
  6. Step 6: Final answer
    x = 30,244,122.75

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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.