Home / 15,134,644.84-20,886,253.50-8,259,568.96

Finding the Fourth Proportional to 15,134,644.84, 20,886,253.50 and 8,259,568.96

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Solution

The fourth proportional to 15,134,644.84, 20,886,253.50 and 8,259,568.96 is: 11,398,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,644.84 : 20,886,253.50 = 8,259,568.96 : x
  2. Step 2: Convert to fraction form
    15,134,644.84/20,886,253.50 = 8,259,568.96/x
  3. Step 3: Cross multiply
    15,134,644.84x = 20,886,253.50 × 8,259,568.96
  4. Step 4: Simplify right side
    15,134,644.84x = 172,511,451,099,291.34
  5. Step 5: Solve for x
    x = 172,511,451,099,291.34/15,134,644.84
  6. Step 6: Final answer
    x = 11,398,447.27

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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.