Home / 21,511,211.30-32,279,258.55-8,049,400.10

Finding the Fourth Proportional to 21,511,211.30, 32,279,258.55 and 8,049,400.10

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Solution

The fourth proportional to 21,511,211.30, 32,279,258.55 and 8,049,400.10 is: 12,078,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511,211.30 : 32,279,258.55 = 8,049,400.10 : x
  2. Step 2: Convert to fraction form
    21,511,211.30/32,279,258.55 = 8,049,400.10/x
  3. Step 3: Cross multiply
    21,511,211.30x = 32,279,258.55 × 8,049,400.10
  4. Step 4: Simplify right side
    21,511,211.30x = 259,828,667,000,295.84
  5. Step 5: Solve for x
    x = 259,828,667,000,295.84/21,511,211.30
  6. Step 6: Final answer
    x = 12,078,755.74

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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.