Home / 39,960,936.92-55,146,092.28-21,626,222.42

Finding the Fourth Proportional to 39,960,936.92, 55,146,092.28 and 21,626,222.42

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Solution

The fourth proportional to 39,960,936.92, 55,146,092.28 and 21,626,222.42 is: 29,844,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,936.92 : 55,146,092.28 = 21,626,222.42 : x
  2. Step 2: Convert to fraction form
    39,960,936.92/55,146,092.28 = 21,626,222.42/x
  3. Step 3: Cross multiply
    39,960,936.92x = 55,146,092.28 × 21,626,222.42
  4. Step 4: Simplify right side
    39,960,936.92x = 1,192,601,657,241,125
  5. Step 5: Solve for x
    x = 1,192,601,657,241,125/39,960,936.92
  6. Step 6: Final answer
    x = 29,844,186.58

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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.