Home / 20,348,467.92-28,080,879.26-11,181,701.16

Finding the Fourth Proportional to 20,348,467.92, 28,080,879.26 and 11,181,701.16

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Solution

The fourth proportional to 20,348,467.92, 28,080,879.26 and 11,181,701.16 is: 15,430,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,467.92 : 28,080,879.26 = 11,181,701.16 : x
  2. Step 2: Convert to fraction form
    20,348,467.92/28,080,879.26 = 11,181,701.16/x
  3. Step 3: Cross multiply
    20,348,467.92x = 28,080,879.26 × 11,181,701.16
  4. Step 4: Simplify right side
    20,348,467.92x = 313,992,000,139,453.44
  5. Step 5: Solve for x
    x = 313,992,000,139,453.44/20,348,467.92
  6. Step 6: Final answer
    x = 15,430,744.04

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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.