Home / 12,027,879.75-18,043,620.66-4,353,320.33

Finding the Fourth Proportional to 12,027,879.75, 18,043,620.66 and 4,353,320.33

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Solution

The fourth proportional to 12,027,879.75, 18,043,620.66 and 4,353,320.33 is: 6,530,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027,879.75 : 18,043,620.66 = 4,353,320.33 : x
  2. Step 2: Convert to fraction form
    12,027,879.75/18,043,620.66 = 4,353,320.33/x
  3. Step 3: Cross multiply
    12,027,879.75x = 18,043,620.66 × 4,353,320.33
  4. Step 4: Simplify right side
    12,027,879.75x = 78,549,660,555,767.92
  5. Step 5: Solve for x
    x = 78,549,660,555,767.92/12,027,879.75
  6. Step 6: Final answer
    x = 6,530,632.35

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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.