Home / 18,770,664.78-25,903,517.40-10,185,960.78

Finding the Fourth Proportional to 18,770,664.78, 25,903,517.40 and 10,185,960.78

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Solution

The fourth proportional to 18,770,664.78, 25,903,517.40 and 10,185,960.78 is: 14,056,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,664.78 : 25,903,517.40 = 10,185,960.78 : x
  2. Step 2: Convert to fraction form
    18,770,664.78/25,903,517.40 = 10,185,960.78/x
  3. Step 3: Cross multiply
    18,770,664.78x = 25,903,517.40 × 10,185,960.78
  4. Step 4: Simplify right side
    18,770,664.78x = 263,852,212,300,447.53
  5. Step 5: Solve for x
    x = 263,852,212,300,447.53/18,770,664.78
  6. Step 6: Final answer
    x = 14,056,625.88

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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.