Home / 18,722,445.70-28,083,668.55-16,930,855.30

Finding the Fourth Proportional to 18,722,445.70, 28,083,668.55 and 16,930,855.30

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Solution

The fourth proportional to 18,722,445.70, 28,083,668.55 and 16,930,855.30 is: 25,396,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,445.70 : 28,083,668.55 = 16,930,855.30 : x
  2. Step 2: Convert to fraction form
    18,722,445.70/28,083,668.55 = 16,930,855.30/x
  3. Step 3: Cross multiply
    18,722,445.70x = 28,083,668.55 × 16,930,855.30
  4. Step 4: Simplify right side
    18,722,445.70x = 475,480,528,513,210.88
  5. Step 5: Solve for x
    x = 475,480,528,513,210.88/18,722,445.70
  6. Step 6: Final answer
    x = 25,396,282.95

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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.