Home / 20,562,403.20-30,855,414.60-7,792,072.80

Finding the Fourth Proportional to 20,562,403.20, 30,855,414.60 and 7,792,072.80

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Solution

The fourth proportional to 20,562,403.20, 30,855,414.60 and 7,792,072.80 is: 11,692,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,403.20 : 30,855,414.60 = 7,792,072.80 : x
  2. Step 2: Convert to fraction form
    20,562,403.20/30,855,414.60 = 7,792,072.80/x
  3. Step 3: Cross multiply
    20,562,403.20x = 30,855,414.60 × 7,792,072.80
  4. Step 4: Simplify right side
    20,562,403.20x = 240,427,636,837,382.88
  5. Step 5: Solve for x
    x = 240,427,636,837,382.88/20,562,403.20
  6. Step 6: Final answer
    x = 11,692,584.50

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1.5x scale

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.