Home / 22,520,279.24-31,077,152.74-12,206,780.92

Finding the Fourth Proportional to 22,520,279.24, 31,077,152.74 and 12,206,780.92

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Solution

The fourth proportional to 22,520,279.24, 31,077,152.74 and 12,206,780.92 is: 16,844,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520,279.24 : 31,077,152.74 = 12,206,780.92 : x
  2. Step 2: Convert to fraction form
    22,520,279.24/31,077,152.74 = 12,206,780.92/x
  3. Step 3: Cross multiply
    22,520,279.24x = 31,077,152.74 × 12,206,780.92
  4. Step 4: Simplify right side
    22,520,279.24x = 379,351,995,114,557.69
  5. Step 5: Solve for x
    x = 379,351,995,114,557.69/22,520,279.24
  6. Step 6: Final answer
    x = 16,844,906.37

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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.