Home / 51,661,914.75-71,293,442.36-28,456,969.95

Finding the Fourth Proportional to 51,661,914.75, 71,293,442.36 and 28,456,969.95

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Solution

The fourth proportional to 51,661,914.75, 71,293,442.36 and 28,456,969.95 is: 39,270,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661,914.75 : 71,293,442.36 = 28,456,969.95 : x
  2. Step 2: Convert to fraction form
    51,661,914.75/71,293,442.36 = 28,456,969.95/x
  3. Step 3: Cross multiply
    51,661,914.75x = 71,293,442.36 × 28,456,969.95
  4. Step 4: Simplify right side
    51,661,914.75x = 2,028,795,346,728,292.25
  5. Step 5: Solve for x
    x = 2,028,795,346,728,292.25/51,661,914.75
  6. Step 6: Final answer
    x = 39,270,618.53

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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.