Home / 12,436,589.61-18,640,733.58-7,568,158.59

Finding the Fourth Proportional to 12,436,589.61, 18,640,733.58 and 7,568,158.59

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Solution

The fourth proportional to 12,436,589.61, 18,640,733.58 and 7,568,158.59 is: 11,343,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,589.61 : 18,640,733.58 = 7,568,158.59 : x
  2. Step 2: Convert to fraction form
    12,436,589.61/18,640,733.58 = 7,568,158.59/x
  3. Step 3: Cross multiply
    12,436,589.61x = 18,640,733.58 × 7,568,158.59
  4. Step 4: Simplify right side
    12,436,589.61x = 141,076,027,967,378.44
  5. Step 5: Solve for x
    x = 141,076,027,967,378.44/12,436,589.61
  6. Step 6: Final answer
    x = 11,343,626.54

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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.