Home / 11,622,836.69-16,039,662.25-6,396,446.61

Finding the Fourth Proportional to 11,622,836.69, 16,039,662.25 and 6,396,446.61

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Solution

The fourth proportional to 11,622,836.69, 16,039,662.25 and 6,396,446.61 is: 8,827,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622,836.69 : 16,039,662.25 = 6,396,446.61 : x
  2. Step 2: Convert to fraction form
    11,622,836.69/16,039,662.25 = 6,396,446.61/x
  3. Step 3: Cross multiply
    11,622,836.69x = 16,039,662.25 × 6,396,446.61
  4. Step 4: Simplify right side
    11,622,836.69x = 102,596,843,224,557.48
  5. Step 5: Solve for x
    x = 102,596,843,224,557.48/11,622,836.69
  6. Step 6: Final answer
    x = 8,827,177.56

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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.