Home / 8,741,372.80-13,112,059.20-8,685,385.60

Finding the Fourth Proportional to 8,741,372.80, 13,112,059.20 and 8,685,385.60

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Solution

The fourth proportional to 8,741,372.80, 13,112,059.20 and 8,685,385.60 is: 13,028,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741,372.80 : 13,112,059.20 = 8,685,385.60 : x
  2. Step 2: Convert to fraction form
    8,741,372.80/13,112,059.20 = 8,685,385.60/x
  3. Step 3: Cross multiply
    8,741,372.80x = 13,112,059.20 × 8,685,385.60
  4. Step 4: Simplify right side
    8,741,372.80x = 113,883,290,162,027.52
  5. Step 5: Solve for x
    x = 113,883,290,162,027.52/8,741,372.80
  6. Step 6: Final answer
    x = 13,028,078.40

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Similar ratio
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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.