Home / 15,159,514.96-20,920,404.36-8,284,286.80

Finding the Fourth Proportional to 15,159,514.96, 20,920,404.36 and 8,284,286.80

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Solution

The fourth proportional to 15,159,514.96, 20,920,404.36 and 8,284,286.80 is: 11,432,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159,514.96 : 20,920,404.36 = 8,284,286.80 : x
  2. Step 2: Convert to fraction form
    15,159,514.96/20,920,404.36 = 8,284,286.80/x
  3. Step 3: Cross multiply
    15,159,514.96x = 20,920,404.36 × 8,284,286.80
  4. Step 4: Simplify right side
    15,159,514.96x = 173,310,629,690,210.44
  5. Step 5: Solve for x
    x = 173,310,629,690,210.44/15,159,514.96
  6. Step 6: Final answer
    x = 11,432,465.36

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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.