Home / 20,775,915.11-31,165,437.96-6,201,682.88

Finding the Fourth Proportional to 20,775,915.11, 31,165,437.96 and 6,201,682.88

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Solution

The fourth proportional to 20,775,915.11, 31,165,437.96 and 6,201,682.88 is: 9,302,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,915.11 : 31,165,437.96 = 6,201,682.88 : x
  2. Step 2: Convert to fraction form
    20,775,915.11/31,165,437.96 = 6,201,682.88/x
  3. Step 3: Cross multiply
    20,775,915.11x = 31,165,437.96 × 6,201,682.88
  4. Step 4: Simplify right side
    20,775,915.11x = 193,278,162,888,406.94
  5. Step 5: Solve for x
    x = 193,278,162,888,406.94/20,775,915.11
  6. Step 6: Final answer
    x = 9,302,991.56

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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.