Home / 8,147,838.20-12,204,042.60-4,947,382.40

Finding the Fourth Proportional to 8,147,838.20, 12,204,042.60 and 4,947,382.40

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Solution

The fourth proportional to 8,147,838.20, 12,204,042.60 and 4,947,382.40 is: 7,410,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,838.20 : 12,204,042.60 = 4,947,382.40 : x
  2. Step 2: Convert to fraction form
    8,147,838.20/12,204,042.60 = 4,947,382.40/x
  3. Step 3: Cross multiply
    8,147,838.20x = 12,204,042.60 × 4,947,382.40
  4. Step 4: Simplify right side
    8,147,838.20x = 60,378,065,568,090.24
  5. Step 5: Solve for x
    x = 60,378,065,568,090.24/8,147,838.20
  6. Step 6: Final answer
    x = 7,410,317.20

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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.