Home / 39,960,933.05-55,146,086.94-21,626,218.55

Finding the Fourth Proportional to 39,960,933.05, 55,146,086.94 and 21,626,218.55

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Solution

The fourth proportional to 39,960,933.05, 55,146,086.94 and 21,626,218.55 is: 29,844,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,933.05 : 55,146,086.94 = 21,626,218.55 : x
  2. Step 2: Convert to fraction form
    39,960,933.05/55,146,086.94 = 21,626,218.55/x
  3. Step 3: Cross multiply
    39,960,933.05x = 55,146,086.94 × 21,626,218.55
  4. Step 4: Simplify right side
    39,960,933.05x = 1,192,601,328,439,056.75
  5. Step 5: Solve for x
    x = 1,192,601,328,439,056.75/39,960,933.05
  6. Step 6: Final answer
    x = 29,844,181.24

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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.