Home / 12,268,321.54-16,930,061.49-6,686,616.34

Finding the Fourth Proportional to 12,268,321.54, 16,930,061.49 and 6,686,616.34

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Solution

The fourth proportional to 12,268,321.54, 16,930,061.49 and 6,686,616.34 is: 9,227,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,321.54 : 16,930,061.49 = 6,686,616.34 : x
  2. Step 2: Convert to fraction form
    12,268,321.54/16,930,061.49 = 6,686,616.34/x
  3. Step 3: Cross multiply
    12,268,321.54x = 16,930,061.49 × 6,686,616.34
  4. Step 4: Simplify right side
    12,268,321.54x = 113,204,825,796,238.73
  5. Step 5: Solve for x
    x = 113,204,825,796,238.73/12,268,321.54
  6. Step 6: Final answer
    x = 9,227,409.42

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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.