Home / 18,728,578.80-28,092,868.20-17,608,834.80

Finding the Fourth Proportional to 18,728,578.80, 28,092,868.20 and 17,608,834.80

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Solution

The fourth proportional to 18,728,578.80, 28,092,868.20 and 17,608,834.80 is: 26,413,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,578.80 : 28,092,868.20 = 17,608,834.80 : x
  2. Step 2: Convert to fraction form
    18,728,578.80/28,092,868.20 = 17,608,834.80/x
  3. Step 3: Cross multiply
    18,728,578.80x = 28,092,868.20 × 17,608,834.80
  4. Step 4: Simplify right side
    18,728,578.80x = 494,682,675,191,973.38
  5. Step 5: Solve for x
    x = 494,682,675,191,973.38/18,728,578.80
  6. Step 6: Final answer
    x = 26,413,252.20

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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.