Home / 18,683,452.65-28,025,178.98-15,707,383.05

Finding the Fourth Proportional to 18,683,452.65, 28,025,178.98 and 15,707,383.05

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Solution

The fourth proportional to 18,683,452.65, 28,025,178.98 and 15,707,383.05 is: 23,561,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,452.65 : 28,025,178.98 = 15,707,383.05 : x
  2. Step 2: Convert to fraction form
    18,683,452.65/28,025,178.98 = 15,707,383.05/x
  3. Step 3: Cross multiply
    18,683,452.65x = 28,025,178.98 × 15,707,383.05
  4. Step 4: Simplify right side
    18,683,452.65x = 440,202,221,205,131.44
  5. Step 5: Solve for x
    x = 440,202,221,205,131.44/18,683,452.65
  6. Step 6: Final answer
    x = 23,561,074.58

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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.