Home / 6,440,992.82-9,660,474.66-5,353,759.40

Finding the Fourth Proportional to 6,440,992.82, 9,660,474.66 and 5,353,759.40

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Solution

The fourth proportional to 6,440,992.82, 9,660,474.66 and 5,353,759.40 is: 8,029,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,992.82 : 9,660,474.66 = 5,353,759.40 : x
  2. Step 2: Convert to fraction form
    6,440,992.82/9,660,474.66 = 5,353,759.40/x
  3. Step 3: Cross multiply
    6,440,992.82x = 9,660,474.66 × 5,353,759.40
  4. Step 4: Simplify right side
    6,440,992.82x = 51,719,857,019,436.80
  5. Step 5: Solve for x
    x = 51,719,857,019,436.80/6,440,992.82
  6. Step 6: Final answer
    x = 8,029,795.79

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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.