Home / 15,037,979.22-20,751,874.35-8,511,468.54

Finding the Fourth Proportional to 15,037,979.22, 20,751,874.35 and 8,511,468.54

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Solution

The fourth proportional to 15,037,979.22, 20,751,874.35 and 8,511,468.54 is: 11,745,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,979.22 : 20,751,874.35 = 8,511,468.54 : x
  2. Step 2: Convert to fraction form
    15,037,979.22/20,751,874.35 = 8,511,468.54/x
  3. Step 3: Cross multiply
    15,037,979.22x = 20,751,874.35 × 8,511,468.54
  4. Step 4: Simplify right side
    15,037,979.22x = 176,628,925,676,057.94
  5. Step 5: Solve for x
    x = 176,628,925,676,057.94/15,037,979.22
  6. Step 6: Final answer
    x = 11,745,522.66

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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.