Home / 12,217,893.88-16,846,876.62-7,801,812.92

Finding the Fourth Proportional to 12,217,893.88, 16,846,876.62 and 7,801,812.92

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Solution

The fourth proportional to 12,217,893.88, 16,846,876.62 and 7,801,812.92 is: 10,757,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,893.88 : 16,846,876.62 = 7,801,812.92 : x
  2. Step 2: Convert to fraction form
    12,217,893.88/16,846,876.62 = 7,801,812.92/x
  3. Step 3: Cross multiply
    12,217,893.88x = 16,846,876.62 × 7,801,812.92
  4. Step 4: Simplify right side
    12,217,893.88x = 131,436,179,717,679.14
  5. Step 5: Solve for x
    x = 131,436,179,717,679.14/12,217,893.88
  6. Step 6: Final answer
    x = 10,757,678.94

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1.5x scale

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.