Home / 39,960,923.30-55,146,073.49-21,626,208.80

Finding the Fourth Proportional to 39,960,923.30, 55,146,073.49 and 21,626,208.80

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Solution

The fourth proportional to 39,960,923.30, 55,146,073.49 and 21,626,208.80 is: 29,844,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,923.30 : 55,146,073.49 = 21,626,208.80 : x
  2. Step 2: Convert to fraction form
    39,960,923.30/55,146,073.49 = 21,626,208.80/x
  3. Step 3: Cross multiply
    39,960,923.30x = 55,146,073.49 × 21,626,208.80
  4. Step 4: Simplify right side
    39,960,923.30x = 1,192,600,499,824,618.75
  5. Step 5: Solve for x
    x = 1,192,600,499,824,618.75/39,960,923.30
  6. Step 6: Final answer
    x = 29,844,167.78

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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.