Home / 7,867,975.10-11,802,626.91-2,188,199.41

Finding the Fourth Proportional to 7,867,975.10, 11,802,626.91 and 2,188,199.41

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Solution

The fourth proportional to 7,867,975.10, 11,802,626.91 and 2,188,199.41 is: 3,282,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,975.10 : 11,802,626.91 = 2,188,199.41 : x
  2. Step 2: Convert to fraction form
    7,867,975.10/11,802,626.91 = 2,188,199.41/x
  3. Step 3: Cross multiply
    7,867,975.10x = 11,802,626.91 × 2,188,199.41
  4. Step 4: Simplify right side
    7,867,975.10x = 25,826,501,211,405.56
  5. Step 5: Solve for x
    x = 25,826,501,211,405.56/7,867,975.10
  6. Step 6: Final answer
    x = 3,282,483.85

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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.