Home / 27,328,091.20-40,992,136.80-19,675,340.80

Finding the Fourth Proportional to 27,328,091.20, 40,992,136.80 and 19,675,340.80

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Solution

The fourth proportional to 27,328,091.20, 40,992,136.80 and 19,675,340.80 is: 29,513,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328,091.20 : 40,992,136.80 = 19,675,340.80 : x
  2. Step 2: Convert to fraction form
    27,328,091.20/40,992,136.80 = 19,675,340.80/x
  3. Step 3: Cross multiply
    27,328,091.20x = 40,992,136.80 × 19,675,340.80
  4. Step 4: Simplify right side
    27,328,091.20x = 806,534,261,660,221.38
  5. Step 5: Solve for x
    x = 806,534,261,660,221.38/27,328,091.20
  6. Step 6: Final answer
    x = 29,513,011.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.