Home / 12,188,572.91-18,285,247.92-4,512,280.67

Finding the Fourth Proportional to 12,188,572.91, 18,285,247.92 and 4,512,280.67

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Solution

The fourth proportional to 12,188,572.91, 18,285,247.92 and 4,512,280.67 is: 6,769,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,572.91 : 18,285,247.92 = 4,512,280.67 : x
  2. Step 2: Convert to fraction form
    12,188,572.91/18,285,247.92 = 4,512,280.67/x
  3. Step 3: Cross multiply
    12,188,572.91x = 18,285,247.92 × 4,512,280.67
  4. Step 4: Simplify right side
    12,188,572.91x = 82,508,170,735,573.72
  5. Step 5: Solve for x
    x = 82,508,170,735,573.72/12,188,572.91
  6. Step 6: Final answer
    x = 6,769,305.26

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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.