Home / 12,684,163.20-17,504,056.44-6,882,797.40

Finding the Fourth Proportional to 12,684,163.20, 17,504,056.44 and 6,882,797.40

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Solution

The fourth proportional to 12,684,163.20, 17,504,056.44 and 6,882,797.40 is: 9,498,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,163.20 : 17,504,056.44 = 6,882,797.40 : x
  2. Step 2: Convert to fraction form
    12,684,163.20/17,504,056.44 = 6,882,797.40/x
  3. Step 3: Cross multiply
    12,684,163.20x = 17,504,056.44 × 6,882,797.40
  4. Step 4: Simplify right side
    12,684,163.20x = 120,476,874,154,685.27
  5. Step 5: Solve for x
    x = 120,476,874,154,685.27/12,684,163.20
  6. Step 6: Final answer
    x = 9,498,212.24

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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.