Home / 20,738,000.45-31,107,000.68-16,454,979.65

Finding the Fourth Proportional to 20,738,000.45, 31,107,000.68 and 16,454,979.65

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Solution

The fourth proportional to 20,738,000.45, 31,107,000.68 and 16,454,979.65 is: 24,682,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,000.45 : 31,107,000.68 = 16,454,979.65 : x
  2. Step 2: Convert to fraction form
    20,738,000.45/31,107,000.68 = 16,454,979.65/x
  3. Step 3: Cross multiply
    20,738,000.45x = 31,107,000.68 × 16,454,979.65
  4. Step 4: Simplify right side
    20,738,000.45x = 511,865,063,161,936.19
  5. Step 5: Solve for x
    x = 511,865,063,161,936.19/20,738,000.45
  6. Step 6: Final answer
    x = 24,682,469.48

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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.