Home / 18,627,944.48-27,941,923.04-8,380,836.80

Finding the Fourth Proportional to 18,627,944.48, 27,941,923.04 and 8,380,836.80

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Solution

The fourth proportional to 18,627,944.48, 27,941,923.04 and 8,380,836.80 is: 12,571,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,944.48 : 27,941,923.04 = 8,380,836.80 : x
  2. Step 2: Convert to fraction form
    18,627,944.48/27,941,923.04 = 8,380,836.80/x
  3. Step 3: Cross multiply
    18,627,944.48x = 27,941,923.04 × 8,380,836.80
  4. Step 4: Simplify right side
    18,627,944.48x = 234,176,696,876,399.84
  5. Step 5: Solve for x
    x = 234,176,696,876,399.84/18,627,944.48
  6. Step 6: Final answer
    x = 12,571,258.04

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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.