Home / 13,992,786.18-19,309,782.51-7,797,696.42

Finding the Fourth Proportional to 13,992,786.18, 19,309,782.51 and 7,797,696.42

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Solution

The fourth proportional to 13,992,786.18, 19,309,782.51 and 7,797,696.42 is: 10,760,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992,786.18 : 19,309,782.51 = 7,797,696.42 : x
  2. Step 2: Convert to fraction form
    13,992,786.18/19,309,782.51 = 7,797,696.42/x
  3. Step 3: Cross multiply
    13,992,786.18x = 19,309,782.51 × 7,797,696.42
  4. Step 4: Simplify right side
    13,992,786.18x = 150,571,821,949,205.62
  5. Step 5: Solve for x
    x = 150,571,821,949,205.62/13,992,786.18
  6. Step 6: Final answer
    x = 10,760,674.82

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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.