Home / 7,137,170.62-10,706,168.63-2,019,171.78

Finding the Fourth Proportional to 7,137,170.62, 10,706,168.63 and 2,019,171.78

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Solution

The fourth proportional to 7,137,170.62, 10,706,168.63 and 2,019,171.78 is: 3,028,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,170.62 : 10,706,168.63 = 2,019,171.78 : x
  2. Step 2: Convert to fraction form
    7,137,170.62/10,706,168.63 = 2,019,171.78/x
  3. Step 3: Cross multiply
    7,137,170.62x = 10,706,168.63 × 2,019,171.78
  4. Step 4: Simplify right side
    7,137,170.62x = 21,617,593,569,617.26
  5. Step 5: Solve for x
    x = 21,617,593,569,617.26/7,137,170.62
  6. Step 6: Final answer
    x = 3,028,874.43

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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.