Home / 12,217,896.75-16,846,880.59-7,801,815.79

Finding the Fourth Proportional to 12,217,896.75, 16,846,880.59 and 7,801,815.79

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Solution

The fourth proportional to 12,217,896.75, 16,846,880.59 and 7,801,815.79 is: 10,757,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,896.75 : 16,846,880.59 = 7,801,815.79 : x
  2. Step 2: Convert to fraction form
    12,217,896.75/16,846,880.59 = 7,801,815.79/x
  3. Step 3: Cross multiply
    12,217,896.75x = 16,846,880.59 × 7,801,815.79
  4. Step 4: Simplify right side
    12,217,896.75x = 131,436,258,999,306.52
  5. Step 5: Solve for x
    x = 131,436,258,999,306.52/12,217,896.75
  6. Step 6: Final answer
    x = 10,757,682.90

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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.