Home / 8,256,552.36-12,379,922.78-3,139,356.44

Finding the Fourth Proportional to 8,256,552.36, 12,379,922.78 and 3,139,356.44

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Solution

The fourth proportional to 8,256,552.36, 12,379,922.78 and 3,139,356.44 is: 4,707,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,552.36 : 12,379,922.78 = 3,139,356.44 : x
  2. Step 2: Convert to fraction form
    8,256,552.36/12,379,922.78 = 3,139,356.44/x
  3. Step 3: Cross multiply
    8,256,552.36x = 12,379,922.78 × 3,139,356.44
  4. Step 4: Simplify right side
    8,256,552.36x = 38,864,990,228,499.31
  5. Step 5: Solve for x
    x = 38,864,990,228,499.31/8,256,552.36
  6. Step 6: Final answer
    x = 4,707,169.35

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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.