Home / 13,889,474.88-19,174,121.20-9,250,979.20

Finding the Fourth Proportional to 13,889,474.88, 19,174,121.20 and 9,250,979.20

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Solution

The fourth proportional to 13,889,474.88, 19,174,121.20 and 9,250,979.20 is: 12,770,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,474.88 : 19,174,121.20 = 9,250,979.20 : x
  2. Step 2: Convert to fraction form
    13,889,474.88/19,174,121.20 = 9,250,979.20/x
  3. Step 3: Cross multiply
    13,889,474.88x = 19,174,121.20 × 9,250,979.20
  4. Step 4: Simplify right side
    13,889,474.88x = 177,379,396,399,479.03
  5. Step 5: Solve for x
    x = 177,379,396,399,479.03/13,889,474.88
  6. Step 6: Final answer
    x = 12,770,777.72

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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.