Home / 11,921,500.12-16,451,213.52-6,764,554.12

Finding the Fourth Proportional to 11,921,500.12, 16,451,213.52 and 6,764,554.12

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Solution

The fourth proportional to 11,921,500.12, 16,451,213.52 and 6,764,554.12 is: 9,334,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,500.12 : 16,451,213.52 = 6,764,554.12 : x
  2. Step 2: Convert to fraction form
    11,921,500.12/16,451,213.52 = 6,764,554.12/x
  3. Step 3: Cross multiply
    11,921,500.12x = 16,451,213.52 × 6,764,554.12
  4. Step 4: Simplify right side
    11,921,500.12x = 111,285,124,195,715.70
  5. Step 5: Solve for x
    x = 111,285,124,195,715.70/11,921,500.12
  6. Step 6: Final answer
    x = 9,334,825.57

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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.