Home / 36,988,728.42-55,505,011.50-20,607,723.90

Finding the Fourth Proportional to 36,988,728.42, 55,505,011.50 and 20,607,723.90

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Solution

The fourth proportional to 36,988,728.42, 55,505,011.50 and 20,607,723.90 is: 30,923,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988,728.42 : 55,505,011.50 = 20,607,723.90 : x
  2. Step 2: Convert to fraction form
    36,988,728.42/55,505,011.50 = 20,607,723.90/x
  3. Step 3: Cross multiply
    36,988,728.42x = 55,505,011.50 × 20,607,723.90
  4. Step 4: Simplify right side
    36,988,728.42x = 1,143,831,952,058,324.75
  5. Step 5: Solve for x
    x = 1,143,831,952,058,324.75/36,988,728.42
  6. Step 6: Final answer
    x = 30,923,797.62

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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.