Home / 8,394,485.70-12,591,728.55-2,718,783.30

Finding the Fourth Proportional to 8,394,485.70, 12,591,728.55 and 2,718,783.30

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Solution

The fourth proportional to 8,394,485.70, 12,591,728.55 and 2,718,783.30 is: 4,078,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,485.70 : 12,591,728.55 = 2,718,783.30 : x
  2. Step 2: Convert to fraction form
    8,394,485.70/12,591,728.55 = 2,718,783.30/x
  3. Step 3: Cross multiply
    8,394,485.70x = 12,591,728.55 × 2,718,783.30
  4. Step 4: Simplify right side
    8,394,485.70x = 34,234,181,299,873.21
  5. Step 5: Solve for x
    x = 34,234,181,299,873.21/8,394,485.70
  6. Step 6: Final answer
    x = 4,078,174.95

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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.