Home / 18,722,228.10-28,086,452.55-7,363,047.30

Finding the Fourth Proportional to 18,722,228.10, 28,086,452.55 and 7,363,047.30

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Solution

The fourth proportional to 18,722,228.10, 28,086,452.55 and 7,363,047.30 is: 11,045,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,228.10 : 28,086,452.55 = 7,363,047.30 : x
  2. Step 2: Convert to fraction form
    18,722,228.10/28,086,452.55 = 7,363,047.30/x
  3. Step 3: Cross multiply
    18,722,228.10x = 28,086,452.55 × 7,363,047.30
  4. Step 4: Simplify right side
    18,722,228.10x = 206,801,878,614,855.62
  5. Step 5: Solve for x
    x = 206,801,878,614,855.62/18,722,228.10
  6. Step 6: Final answer
    x = 11,045,794.20

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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.