Home / 21,766,939.84-30,037,474.92-11,843,863.52

Finding the Fourth Proportional to 21,766,939.84, 30,037,474.92 and 11,843,863.52

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Solution

The fourth proportional to 21,766,939.84, 30,037,474.92 and 11,843,863.52 is: 16,344,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,939.84 : 30,037,474.92 = 11,843,863.52 : x
  2. Step 2: Convert to fraction form
    21,766,939.84/30,037,474.92 = 11,843,863.52/x
  3. Step 3: Cross multiply
    21,766,939.84x = 30,037,474.92 × 11,843,863.52
  4. Step 4: Simplify right side
    21,766,939.84x = 355,759,753,437,902.94
  5. Step 5: Solve for x
    x = 355,759,753,437,902.94/21,766,939.84
  6. Step 6: Final answer
    x = 16,344,040.83

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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.