Home / 36,254,319.75-54,381,480.23-12,319,791.75

Finding the Fourth Proportional to 36,254,319.75, 54,381,480.23 and 12,319,791.75

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Solution

The fourth proportional to 36,254,319.75, 54,381,480.23 and 12,319,791.75 is: 18,479,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,254,319.75 : 54,381,480.23 = 12,319,791.75 : x
  2. Step 2: Convert to fraction form
    36,254,319.75/54,381,480.23 = 12,319,791.75/x
  3. Step 3: Cross multiply
    36,254,319.75x = 54,381,480.23 × 12,319,791.75
  4. Step 4: Simplify right side
    36,254,319.75x = 669,968,511,521,141.62
  5. Step 5: Solve for x
    x = 669,968,511,521,141.62/36,254,319.75
  6. Step 6: Final answer
    x = 18,479,687.83

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1.5x scale

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.