Home / 12,096,927.70-18,145,391.55-3,121,479.70

Finding the Fourth Proportional to 12,096,927.70, 18,145,391.55 and 3,121,479.70

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Solution

The fourth proportional to 12,096,927.70, 18,145,391.55 and 3,121,479.70 is: 4,682,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,927.70 : 18,145,391.55 = 3,121,479.70 : x
  2. Step 2: Convert to fraction form
    12,096,927.70/18,145,391.55 = 3,121,479.70/x
  3. Step 3: Cross multiply
    12,096,927.70x = 18,145,391.55 × 3,121,479.70
  4. Step 4: Simplify right side
    12,096,927.70x = 56,640,471,371,876.54
  5. Step 5: Solve for x
    x = 56,640,471,371,876.54/12,096,927.70
  6. Step 6: Final answer
    x = 4,682,219.55

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Similar ratio
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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.