Home / 40,090,487.26-55,324,872.84-21,755,772.76

Finding the Fourth Proportional to 40,090,487.26, 55,324,872.84 and 21,755,772.76

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Solution

The fourth proportional to 40,090,487.26, 55,324,872.84 and 21,755,772.76 is: 30,022,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,487.26 : 55,324,872.84 = 21,755,772.76 : x
  2. Step 2: Convert to fraction form
    40,090,487.26/55,324,872.84 = 21,755,772.76/x
  3. Step 3: Cross multiply
    40,090,487.26x = 55,324,872.84 × 21,755,772.76
  4. Step 4: Simplify right side
    40,090,487.26x = 1,203,635,361,482,936
  5. Step 5: Solve for x
    x = 1,203,635,361,482,936/40,090,487.26
  6. Step 6: Final answer
    x = 30,022,966.64

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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.