Home / 12,436,600.11-18,640,749.33-7,568,169.09

Finding the Fourth Proportional to 12,436,600.11, 18,640,749.33 and 7,568,169.09

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Solution

The fourth proportional to 12,436,600.11, 18,640,749.33 and 7,568,169.09 is: 11,343,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,600.11 : 18,640,749.33 = 7,568,169.09 : x
  2. Step 2: Convert to fraction form
    12,436,600.11/18,640,749.33 = 7,568,169.09/x
  3. Step 3: Cross multiply
    12,436,600.11x = 18,640,749.33 × 7,568,169.09
  4. Step 4: Simplify right side
    12,436,600.11x = 141,076,342,893,744.19
  5. Step 5: Solve for x
    x = 141,076,342,893,744.19/12,436,600.11
  6. Step 6: Final answer
    x = 11,343,642.29

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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.