Home / 18,511,492.74-27,785,150.55-8,933,613.54

Finding the Fourth Proportional to 18,511,492.74, 27,785,150.55 and 8,933,613.54

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Solution

The fourth proportional to 18,511,492.74, 27,785,150.55 and 8,933,613.54 is: 13,409,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511,492.74 : 27,785,150.55 = 8,933,613.54 : x
  2. Step 2: Convert to fraction form
    18,511,492.74/27,785,150.55 = 8,933,613.54/x
  3. Step 3: Cross multiply
    18,511,492.74x = 27,785,150.55 × 8,933,613.54
  4. Step 4: Simplify right side
    18,511,492.74x = 248,221,797,164,418.44
  5. Step 5: Solve for x
    x = 248,221,797,164,418.44/18,511,492.74
  6. Step 6: Final answer
    x = 13,409,064.34

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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.