Home / 40,004,530.88-55,206,517.44-21,669,816.16

Finding the Fourth Proportional to 40,004,530.88, 55,206,517.44 and 21,669,816.16

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Solution

The fourth proportional to 40,004,530.88, 55,206,517.44 and 21,669,816.16 is: 29,904,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004,530.88 : 55,206,517.44 = 21,669,816.16 : x
  2. Step 2: Convert to fraction form
    40,004,530.88/55,206,517.44 = 21,669,816.16/x
  3. Step 3: Cross multiply
    40,004,530.88x = 55,206,517.44 × 21,669,816.16
  4. Step 4: Simplify right side
    40,004,530.88x = 1,196,315,083,758,633.75
  5. Step 5: Solve for x
    x = 1,196,315,083,758,633.75/40,004,530.88
  6. Step 6: Final answer
    x = 29,904,489.75

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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.