Home / 18,770,666.78-25,903,520.16-10,185,962.78

Finding the Fourth Proportional to 18,770,666.78, 25,903,520.16 and 10,185,962.78

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Solution

The fourth proportional to 18,770,666.78, 25,903,520.16 and 10,185,962.78 is: 14,056,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,666.78 : 25,903,520.16 = 10,185,962.78 : x
  2. Step 2: Convert to fraction form
    18,770,666.78/25,903,520.16 = 10,185,962.78/x
  3. Step 3: Cross multiply
    18,770,666.78x = 25,903,520.16 × 10,185,962.78
  4. Step 4: Simplify right side
    18,770,666.78x = 263,852,292,220,739.62
  5. Step 5: Solve for x
    x = 263,852,292,220,739.62/18,770,666.78
  6. Step 6: Final answer
    x = 14,056,628.64

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1.5x scale

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.