Home / 20,552,680.80-30,836,894.40-20,229,879.60

Finding the Fourth Proportional to 20,552,680.80, 30,836,894.40 and 20,229,879.60

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Solution

The fourth proportional to 20,552,680.80, 30,836,894.40 and 20,229,879.60 is: 30,352,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,680.80 : 30,836,894.40 = 20,229,879.60 : x
  2. Step 2: Convert to fraction form
    20,552,680.80/30,836,894.40 = 20,229,879.60/x
  3. Step 3: Cross multiply
    20,552,680.80x = 30,836,894.40 × 20,229,879.60
  4. Step 4: Simplify right side
    20,552,680.80x = 623,826,660,949,914.25
  5. Step 5: Solve for x
    x = 623,826,660,949,914.25/20,552,680.80
  6. Step 6: Final answer
    x = 30,352,568.94

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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.