Home / 14,171,778.26-19,557,694.94-7,978,952.89

Finding the Fourth Proportional to 14,171,778.26, 19,557,694.94 and 7,978,952.89

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Solution

The fourth proportional to 14,171,778.26, 19,557,694.94 and 7,978,952.89 is: 11,011,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,778.26 : 19,557,694.94 = 7,978,952.89 : x
  2. Step 2: Convert to fraction form
    14,171,778.26/19,557,694.94 = 7,978,952.89/x
  3. Step 3: Cross multiply
    14,171,778.26x = 19,557,694.94 × 7,978,952.89
  4. Step 4: Simplify right side
    14,171,778.26x = 156,049,926,563,251.38
  5. Step 5: Solve for x
    x = 156,049,926,563,251.38/14,171,778.26
  6. Step 6: Final answer
    x = 11,011,315.85

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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.