Home / 9,268,855.74-12,791,778.39-5,140,179.90

Finding the Fourth Proportional to 9,268,855.74, 12,791,778.39 and 5,140,179.90

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Solution

The fourth proportional to 9,268,855.74, 12,791,778.39 and 5,140,179.90 is: 7,093,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,855.74 : 12,791,778.39 = 5,140,179.90 : x
  2. Step 2: Convert to fraction form
    9,268,855.74/12,791,778.39 = 5,140,179.90/x
  3. Step 3: Cross multiply
    9,268,855.74x = 12,791,778.39 × 5,140,179.90
  4. Step 4: Simplify right side
    9,268,855.74x = 65,752,042,165,532.37
  5. Step 5: Solve for x
    x = 65,752,042,165,532.37/9,268,855.74
  6. Step 6: Final answer
    x = 7,093,868.33

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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.