Home / 12,769,904.95-17,622,843.14-6,969,059.66

Finding the Fourth Proportional to 12,769,904.95, 17,622,843.14 and 6,969,059.66

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Solution

The fourth proportional to 12,769,904.95, 17,622,843.14 and 6,969,059.66 is: 9,617,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,904.95 : 17,622,843.14 = 6,969,059.66 : x
  2. Step 2: Convert to fraction form
    12,769,904.95/17,622,843.14 = 6,969,059.66/x
  3. Step 3: Cross multiply
    12,769,904.95x = 17,622,843.14 × 6,969,059.66
  4. Step 4: Simplify right side
    12,769,904.95x = 122,814,645,221,481.73
  5. Step 5: Solve for x
    x = 122,814,645,221,481.73/12,769,904.95
  6. Step 6: Final answer
    x = 9,617,506.61

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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.