Home / 28,211,945.76-38,932,450.74-16,451,688.60

Finding the Fourth Proportional to 28,211,945.76, 38,932,450.74 and 16,451,688.60

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Solution

The fourth proportional to 28,211,945.76, 38,932,450.74 and 16,451,688.60 is: 22,703,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211,945.76 : 38,932,450.74 = 16,451,688.60 : x
  2. Step 2: Convert to fraction form
    28,211,945.76/38,932,450.74 = 16,451,688.60/x
  3. Step 3: Cross multiply
    28,211,945.76x = 38,932,450.74 × 16,451,688.60
  4. Step 4: Simplify right side
    28,211,945.76x = 640,504,556,009,319.62
  5. Step 5: Solve for x
    x = 640,504,556,009,319.62/28,211,945.76
  6. Step 6: Final answer
    x = 22,703,310.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.