Home / 18,667,192.80-27,984,200.40-12,280,504.80

Finding the Fourth Proportional to 18,667,192.80, 27,984,200.40 and 12,280,504.80

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Solution

The fourth proportional to 18,667,192.80, 27,984,200.40 and 12,280,504.80 is: 18,409,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,192.80 : 27,984,200.40 = 12,280,504.80 : x
  2. Step 2: Convert to fraction form
    18,667,192.80/27,984,200.40 = 12,280,504.80/x
  3. Step 3: Cross multiply
    18,667,192.80x = 27,984,200.40 × 12,280,504.80
  4. Step 4: Simplify right side
    18,667,192.80x = 343,660,107,336,361.94
  5. Step 5: Solve for x
    x = 343,660,107,336,361.94/18,667,192.80
  6. Step 6: Final answer
    x = 18,409,844.00

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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.