Home / 7,684,722.76-11,520,863.34-3,200,355.40

Finding the Fourth Proportional to 7,684,722.76, 11,520,863.34 and 3,200,355.40

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Solution

The fourth proportional to 7,684,722.76, 11,520,863.34 and 3,200,355.40 is: 4,797,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684,722.76 : 11,520,863.34 = 3,200,355.40 : x
  2. Step 2: Convert to fraction form
    7,684,722.76/11,520,863.34 = 3,200,355.40/x
  3. Step 3: Cross multiply
    7,684,722.76x = 11,520,863.34 × 3,200,355.40
  4. Step 4: Simplify right side
    7,684,722.76x = 36,870,857,202,831.03
  5. Step 5: Solve for x
    x = 36,870,857,202,831.03/7,684,722.76
  6. Step 6: Final answer
    x = 4,797,942.41

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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.