Home / 12,176,479.44-16,802,944.49-6,669,878.72

Finding the Fourth Proportional to 12,176,479.44, 16,802,944.49 and 6,669,878.72

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Solution

The fourth proportional to 12,176,479.44, 16,802,944.49 and 6,669,878.72 is: 9,204,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176,479.44 : 16,802,944.49 = 6,669,878.72 : x
  2. Step 2: Convert to fraction form
    12,176,479.44/16,802,944.49 = 6,669,878.72/x
  3. Step 3: Cross multiply
    12,176,479.44x = 16,802,944.49 × 6,669,878.72
  4. Step 4: Simplify right side
    12,176,479.44x = 112,073,601,861,859.59
  5. Step 5: Solve for x
    x = 112,073,601,861,859.59/12,176,479.44
  6. Step 6: Final answer
    x = 9,204,105.54

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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.