Home / 8,969,692.55-12,374,292.78-5,485,183.65

Finding the Fourth Proportional to 8,969,692.55, 12,374,292.78 and 5,485,183.65

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Solution

The fourth proportional to 8,969,692.55, 12,374,292.78 and 5,485,183.65 is: 7,567,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,692.55 : 12,374,292.78 = 5,485,183.65 : x
  2. Step 2: Convert to fraction form
    8,969,692.55/12,374,292.78 = 5,485,183.65/x
  3. Step 3: Cross multiply
    8,969,692.55x = 12,374,292.78 × 5,485,183.65
  4. Step 4: Simplify right side
    8,969,692.55x = 67,875,268,437,169.05
  5. Step 5: Solve for x
    x = 67,875,268,437,169.05/8,969,692.55
  6. Step 6: Final answer
    x = 7,567,178.93

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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.