Home / 36,872,949.30-55,342,885.05-18,689,793.90

Finding the Fourth Proportional to 36,872,949.30, 55,342,885.05 and 18,689,793.90

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Solution

The fourth proportional to 36,872,949.30, 55,342,885.05 and 18,689,793.90 is: 28,051,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,872,949.30 : 55,342,885.05 = 18,689,793.90 : x
  2. Step 2: Convert to fraction form
    36,872,949.30/55,342,885.05 = 18,689,793.90/x
  3. Step 3: Cross multiply
    36,872,949.30x = 55,342,885.05 × 18,689,793.90
  4. Step 4: Simplify right side
    36,872,949.30x = 1,034,347,115,415,891
  5. Step 5: Solve for x
    x = 1,034,347,115,415,891/36,872,949.30
  6. Step 6: Final answer
    x = 28,051,651.28

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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.