Home / 40,090,464.46-55,324,840.48-21,755,749.96

Finding the Fourth Proportional to 40,090,464.46, 55,324,840.48 and 21,755,749.96

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Solution

The fourth proportional to 40,090,464.46, 55,324,840.48 and 21,755,749.96 is: 30,022,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,464.46 : 55,324,840.48 = 21,755,749.96 : x
  2. Step 2: Convert to fraction form
    40,090,464.46/55,324,840.48 = 21,755,749.96/x
  3. Step 3: Cross multiply
    40,090,464.46x = 55,324,840.48 × 21,755,749.96
  4. Step 4: Simplify right side
    40,090,464.46x = 1,203,633,395,867,064.75
  5. Step 5: Solve for x
    x = 1,203,633,395,867,064.75/40,090,464.46
  6. Step 6: Final answer
    x = 30,022,934.68

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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.