Home / 7,128,046.20-10,682,738.10-2,864,724.60

Finding the Fourth Proportional to 7,128,046.20, 10,682,738.10 and 2,864,724.60

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Solution

The fourth proportional to 7,128,046.20, 10,682,738.10 and 2,864,724.60 is: 4,293,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,046.20 : 10,682,738.10 = 2,864,724.60 : x
  2. Step 2: Convert to fraction form
    7,128,046.20/10,682,738.10 = 2,864,724.60/x
  3. Step 3: Cross multiply
    7,128,046.20x = 10,682,738.10 × 2,864,724.60
  4. Step 4: Simplify right side
    7,128,046.20x = 30,603,102,630,427.26
  5. Step 5: Solve for x
    x = 30,603,102,630,427.26/7,128,046.20
  6. Step 6: Final answer
    x = 4,293,336.74

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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.