Home / 22,738,661.24-31,379,434.97-12,425,385.24

Finding the Fourth Proportional to 22,738,661.24, 31,379,434.97 and 12,425,385.24

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Solution

The fourth proportional to 22,738,661.24, 31,379,434.97 and 12,425,385.24 is: 17,147,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738,661.24 : 31,379,434.97 = 12,425,385.24 : x
  2. Step 2: Convert to fraction form
    22,738,661.24/31,379,434.97 = 12,425,385.24/x
  3. Step 3: Cross multiply
    22,738,661.24x = 31,379,434.97 × 12,425,385.24
  4. Step 4: Simplify right side
    22,738,661.24x = 389,901,568,053,650.94
  5. Step 5: Solve for x
    x = 389,901,568,053,650.94/22,738,661.24
  6. Step 6: Final answer
    x = 17,147,076.69

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Double scale
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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.