Home / 19,825,121.25-29,737,640.84-11,185,299.72

Finding the Fourth Proportional to 19,825,121.25, 29,737,640.84 and 11,185,299.72

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Solution

The fourth proportional to 19,825,121.25, 29,737,640.84 and 11,185,299.72 is: 16,777,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825,121.25 : 29,737,640.84 = 11,185,299.72 : x
  2. Step 2: Convert to fraction form
    19,825,121.25/29,737,640.84 = 11,185,299.72/x
  3. Step 3: Cross multiply
    19,825,121.25x = 29,737,640.84 × 11,185,299.72
  4. Step 4: Simplify right side
    19,825,121.25x = 332,624,425,705,186.12
  5. Step 5: Solve for x
    x = 332,624,425,705,186.12/19,825,121.25
  6. Step 6: Final answer
    x = 16,777,926.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.