Home / 12,217,894.38-16,846,877.31-7,801,813.43

Finding the Fourth Proportional to 12,217,894.38, 16,846,877.31 and 7,801,813.43

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Solution

The fourth proportional to 12,217,894.38, 16,846,877.31 and 7,801,813.43 is: 10,757,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,894.38 : 16,846,877.31 = 7,801,813.43 : x
  2. Step 2: Convert to fraction form
    12,217,894.38/16,846,877.31 = 7,801,813.43/x
  3. Step 3: Cross multiply
    12,217,894.38x = 16,846,877.31 × 7,801,813.43
  4. Step 4: Simplify right side
    12,217,894.38x = 131,436,193,566,485.88
  5. Step 5: Solve for x
    x = 131,436,193,566,485.88/12,217,894.38
  6. Step 6: Final answer
    x = 10,757,679.64

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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.