Home / 7,873,990.92-11,812,258.56-3,325,723.56

Finding the Fourth Proportional to 7,873,990.92, 11,812,258.56 and 3,325,723.56

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Solution

The fourth proportional to 7,873,990.92, 11,812,258.56 and 3,325,723.56 is: 4,989,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,990.92 : 11,812,258.56 = 3,325,723.56 : x
  2. Step 2: Convert to fraction form
    7,873,990.92/11,812,258.56 = 3,325,723.56/x
  3. Step 3: Cross multiply
    7,873,990.92x = 11,812,258.56 × 3,325,723.56
  4. Step 4: Simplify right side
    7,873,990.92x = 39,284,306,589,803.68
  5. Step 5: Solve for x
    x = 39,284,306,589,803.68/7,873,990.92
  6. Step 6: Final answer
    x = 4,989,122.67

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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.