Home / 13,491,750.40-20,195,635.20-7,795,052.80

Finding the Fourth Proportional to 13,491,750.40, 20,195,635.20 and 7,795,052.80

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Solution

The fourth proportional to 13,491,750.40, 20,195,635.20 and 7,795,052.80 is: 11,668,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,750.40 : 20,195,635.20 = 7,795,052.80 : x
  2. Step 2: Convert to fraction form
    13,491,750.40/20,195,635.20 = 7,795,052.80/x
  3. Step 3: Cross multiply
    13,491,750.40x = 20,195,635.20 × 7,795,052.80
  4. Step 4: Simplify right side
    13,491,750.40x = 157,426,042,713,538.56
  5. Step 5: Solve for x
    x = 157,426,042,713,538.56/13,491,750.40
  6. Step 6: Final answer
    x = 11,668,318.64

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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.