Home / 36,439,936.71-50,287,447.26-20,758,728.79

Finding the Fourth Proportional to 36,439,936.71, 50,287,447.26 and 20,758,728.79

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Solution

The fourth proportional to 36,439,936.71, 50,287,447.26 and 20,758,728.79 is: 28,647,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439,936.71 : 50,287,447.26 = 20,758,728.79 : x
  2. Step 2: Convert to fraction form
    36,439,936.71/50,287,447.26 = 20,758,728.79/x
  3. Step 3: Cross multiply
    36,439,936.71x = 50,287,447.26 × 20,758,728.79
  4. Step 4: Simplify right side
    36,439,936.71x = 1,043,903,479,211,768.50
  5. Step 5: Solve for x
    x = 1,043,903,479,211,768.50/36,439,936.71
  6. Step 6: Final answer
    x = 28,647,236.34

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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.