Home / 8,167,197.87-12,220,015.39-4,872,367.55

Finding the Fourth Proportional to 8,167,197.87, 12,220,015.39 and 4,872,367.55

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Solution

The fourth proportional to 8,167,197.87, 12,220,015.39 and 4,872,367.55 is: 7,290,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,197.87 : 12,220,015.39 = 4,872,367.55 : x
  2. Step 2: Convert to fraction form
    8,167,197.87/12,220,015.39 = 4,872,367.55/x
  3. Step 3: Cross multiply
    8,167,197.87x = 12,220,015.39 × 4,872,367.55
  4. Step 4: Simplify right side
    8,167,197.87x = 59,540,406,465,105.71
  5. Step 5: Solve for x
    x = 59,540,406,465,105.71/8,167,197.87
  6. Step 6: Final answer
    x = 7,290,187.82

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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.