Home / 11,961,751.80-17,942,881.86-4,285,896.60

Finding the Fourth Proportional to 11,961,751.80, 17,942,881.86 and 4,285,896.60

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Solution

The fourth proportional to 11,961,751.80, 17,942,881.86 and 4,285,896.60 is: 6,428,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961,751.80 : 17,942,881.86 = 4,285,896.60 : x
  2. Step 2: Convert to fraction form
    11,961,751.80/17,942,881.86 = 4,285,896.60/x
  3. Step 3: Cross multiply
    11,961,751.80x = 17,942,881.86 × 4,285,896.60
  4. Step 4: Simplify right side
    11,961,751.80x = 76,901,336,357,975.67
  5. Step 5: Solve for x
    x = 76,901,336,357,975.67/11,961,751.80
  6. Step 6: Final answer
    x = 6,428,935.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.