Home / 39,960,936.80-55,146,092.11-21,626,222.30

Finding the Fourth Proportional to 39,960,936.80, 55,146,092.11 and 21,626,222.30

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Solution

The fourth proportional to 39,960,936.80, 55,146,092.11 and 21,626,222.30 is: 29,844,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,936.80 : 55,146,092.11 = 21,626,222.30 : x
  2. Step 2: Convert to fraction form
    39,960,936.80/55,146,092.11 = 21,626,222.30/x
  3. Step 3: Cross multiply
    39,960,936.80x = 55,146,092.11 × 21,626,222.30
  4. Step 4: Simplify right side
    39,960,936.80x = 1,192,601,647,030,935.75
  5. Step 5: Solve for x
    x = 1,192,601,647,030,935.75/39,960,936.80
  6. Step 6: Final answer
    x = 29,844,186.41

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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.