Home / 14,939,546.86-20,616,621.20-8,661,297.88

Finding the Fourth Proportional to 14,939,546.86, 20,616,621.20 and 8,661,297.88

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Solution

The fourth proportional to 14,939,546.86, 20,616,621.20 and 8,661,297.88 is: 11,952,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939,546.86 : 20,616,621.20 = 8,661,297.88 : x
  2. Step 2: Convert to fraction form
    14,939,546.86/20,616,621.20 = 8,661,297.88/x
  3. Step 3: Cross multiply
    14,939,546.86x = 20,616,621.20 × 8,661,297.88
  4. Step 4: Simplify right side
    14,939,546.86x = 178,566,697,555,987
  5. Step 5: Solve for x
    x = 178,566,697,555,987/14,939,546.86
  6. Step 6: Final answer
    x = 11,952,618.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.