Home / 18,863,003.10-28,294,504.65-10,253,658.90

Finding the Fourth Proportional to 18,863,003.10, 28,294,504.65 and 10,253,658.90

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Solution

The fourth proportional to 18,863,003.10, 28,294,504.65 and 10,253,658.90 is: 15,380,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863,003.10 : 28,294,504.65 = 10,253,658.90 : x
  2. Step 2: Convert to fraction form
    18,863,003.10/28,294,504.65 = 10,253,658.90/x
  3. Step 3: Cross multiply
    18,863,003.10x = 28,294,504.65 × 10,253,658.90
  4. Step 4: Simplify right side
    18,863,003.10x = 290,122,199,425,563.88
  5. Step 5: Solve for x
    x = 290,122,199,425,563.88/18,863,003.10
  6. Step 6: Final answer
    x = 15,380,488.35

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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.