Home / 8,635,571.70-11,912,093.18-5,579,785.95

Finding the Fourth Proportional to 8,635,571.70, 11,912,093.18 and 5,579,785.95

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Solution

The fourth proportional to 8,635,571.70, 11,912,093.18 and 5,579,785.95 is: 7,696,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,571.70 : 11,912,093.18 = 5,579,785.95 : x
  2. Step 2: Convert to fraction form
    8,635,571.70/11,912,093.18 = 5,579,785.95/x
  3. Step 3: Cross multiply
    8,635,571.70x = 11,912,093.18 × 5,579,785.95
  4. Step 4: Simplify right side
    8,635,571.70x = 66,466,930,160,854.82
  5. Step 5: Solve for x
    x = 66,466,930,160,854.82/8,635,571.70
  6. Step 6: Final answer
    x = 7,696,876.65

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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.