Home / 12,476,640.10-18,683,467.35-8,193,619.30

Finding the Fourth Proportional to 12,476,640.10, 18,683,467.35 and 8,193,619.30

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Solution

The fourth proportional to 12,476,640.10, 18,683,467.35 and 8,193,619.30 is: 12,269,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,640.10 : 18,683,467.35 = 8,193,619.30 : x
  2. Step 2: Convert to fraction form
    12,476,640.10/18,683,467.35 = 8,193,619.30/x
  3. Step 3: Cross multiply
    12,476,640.10x = 18,683,467.35 × 8,193,619.30
  4. Step 4: Simplify right side
    12,476,640.10x = 153,085,218,669,879.88
  5. Step 5: Solve for x
    x = 153,085,218,669,879.88/12,476,640.10
  6. Step 6: Final answer
    x = 12,269,747.10

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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.