Home / 36,515,285.50-50,392,668.64-20,217,761.50

Finding the Fourth Proportional to 36,515,285.50, 50,392,668.64 and 20,217,761.50

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Solution

The fourth proportional to 36,515,285.50, 50,392,668.64 and 20,217,761.50 is: 27,901,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515,285.50 : 50,392,668.64 = 20,217,761.50 : x
  2. Step 2: Convert to fraction form
    36,515,285.50/50,392,668.64 = 20,217,761.50/x
  3. Step 3: Cross multiply
    36,515,285.50x = 50,392,668.64 × 20,217,761.50
  4. Step 4: Simplify right side
    36,515,285.50x = 1,018,826,955,912,049.38
  5. Step 5: Solve for x
    x = 1,018,826,955,912,049.38/36,515,285.50
  6. Step 6: Final answer
    x = 27,901,382.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.