Home / 12,436,600.62-18,640,750.08-7,568,169.60

Finding the Fourth Proportional to 12,436,600.62, 18,640,750.08 and 7,568,169.60

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Solution

The fourth proportional to 12,436,600.62, 18,640,750.08 and 7,568,169.60 is: 11,343,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,600.62 : 18,640,750.08 = 7,568,169.60 : x
  2. Step 2: Convert to fraction form
    12,436,600.62/18,640,750.08 = 7,568,169.60/x
  3. Step 3: Cross multiply
    12,436,600.62x = 18,640,750.08 × 7,568,169.60
  4. Step 4: Simplify right side
    12,436,600.62x = 141,076,358,076,653.56
  5. Step 5: Solve for x
    x = 141,076,358,076,653.56/12,436,600.62
  6. Step 6: Final answer
    x = 11,343,643.04

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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.