Home / 8,485,599.60-12,728,399.40-3,094,425.90

Finding the Fourth Proportional to 8,485,599.60, 12,728,399.40 and 3,094,425.90

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Solution

The fourth proportional to 8,485,599.60, 12,728,399.40 and 3,094,425.90 is: 4,641,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,599.60 : 12,728,399.40 = 3,094,425.90 : x
  2. Step 2: Convert to fraction form
    8,485,599.60/12,728,399.40 = 3,094,425.90/x
  3. Step 3: Cross multiply
    8,485,599.60x = 12,728,399.40 × 3,094,425.90
  4. Step 4: Simplify right side
    8,485,599.60x = 39,387,088,768,904.46
  5. Step 5: Solve for x
    x = 39,387,088,768,904.46/8,485,599.60
  6. Step 6: Final answer
    x = 4,641,638.85

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Double scale
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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.