Home / 18,211,790.94-27,331,155.90-8,627,190.54

Finding the Fourth Proportional to 18,211,790.94, 27,331,155.90 and 8,627,190.54

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Solution

The fourth proportional to 18,211,790.94, 27,331,155.90 and 8,627,190.54 is: 12,947,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211,790.94 : 27,331,155.90 = 8,627,190.54 : x
  2. Step 2: Convert to fraction form
    18,211,790.94/27,331,155.90 = 8,627,190.54/x
  3. Step 3: Cross multiply
    18,211,790.94x = 27,331,155.90 × 8,627,190.54
  4. Step 4: Simplify right side
    18,211,790.94x = 235,791,089,627,745.16
  5. Step 5: Solve for x
    x = 235,791,089,627,745.16/18,211,790.94
  6. Step 6: Final answer
    x = 12,947,166.50

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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.