Home / 18,770,661.78-25,903,513.26-10,185,957.78

Finding the Fourth Proportional to 18,770,661.78, 25,903,513.26 and 10,185,957.78

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Solution

The fourth proportional to 18,770,661.78, 25,903,513.26 and 10,185,957.78 is: 14,056,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,661.78 : 25,903,513.26 = 10,185,957.78 : x
  2. Step 2: Convert to fraction form
    18,770,661.78/25,903,513.26 = 10,185,957.78/x
  3. Step 3: Cross multiply
    18,770,661.78x = 25,903,513.26 × 10,185,957.78
  4. Step 4: Simplify right side
    18,770,661.78x = 263,852,092,420,030.16
  5. Step 5: Solve for x
    x = 263,852,092,420,030.16/18,770,661.78
  6. Step 6: Final answer
    x = 14,056,621.74

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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.