Home / 8,478,996.92-12,718,198.72-2,413,762.28

Finding the Fourth Proportional to 8,478,996.92, 12,718,198.72 and 2,413,762.28

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Solution

The fourth proportional to 8,478,996.92, 12,718,198.72 and 2,413,762.28 is: 3,620,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,996.92 : 12,718,198.72 = 2,413,762.28 : x
  2. Step 2: Convert to fraction form
    8,478,996.92/12,718,198.72 = 2,413,762.28/x
  3. Step 3: Cross multiply
    8,478,996.92x = 12,718,198.72 × 2,413,762.28
  4. Step 4: Simplify right side
    8,478,996.92x = 30,698,708,339,880.28
  5. Step 5: Solve for x
    x = 30,698,708,339,880.28/8,478,996.92
  6. Step 6: Final answer
    x = 3,620,558.97

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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.