Home / 39,297,912.68-54,231,332.90-22,551,318.78

Finding the Fourth Proportional to 39,297,912.68, 54,231,332.90 and 22,551,318.78

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Solution

The fourth proportional to 39,297,912.68, 54,231,332.90 and 22,551,318.78 is: 31,120,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297,912.68 : 54,231,332.90 = 22,551,318.78 : x
  2. Step 2: Convert to fraction form
    39,297,912.68/54,231,332.90 = 22,551,318.78/x
  3. Step 3: Cross multiply
    39,297,912.68x = 54,231,332.90 × 22,551,318.78
  4. Step 4: Simplify right side
    39,297,912.68x = 1,222,988,076,092,202
  5. Step 5: Solve for x
    x = 1,222,988,076,092,202/39,297,912.68
  6. Step 6: Final answer
    x = 31,120,942.38

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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.