Home / 49,921,684.44-68,898,768.28-28,728,028.60

Finding the Fourth Proportional to 49,921,684.44, 68,898,768.28 and 28,728,028.60

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Solution

The fourth proportional to 49,921,684.44, 68,898,768.28 and 28,728,028.60 is: 39,648,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,684.44 : 68,898,768.28 = 28,728,028.60 : x
  2. Step 2: Convert to fraction form
    49,921,684.44/68,898,768.28 = 28,728,028.60/x
  3. Step 3: Cross multiply
    49,921,684.44x = 68,898,768.28 × 28,728,028.60
  4. Step 4: Simplify right side
    49,921,684.44x = 1,979,325,785,652,613
  5. Step 5: Solve for x
    x = 1,979,325,785,652,613/49,921,684.44
  6. Step 6: Final answer
    x = 39,648,617.79

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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.