Home / 8,271,906.30-12,407,859.45-6,146,142.30

Finding the Fourth Proportional to 8,271,906.30, 12,407,859.45 and 6,146,142.30

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Solution

The fourth proportional to 8,271,906.30, 12,407,859.45 and 6,146,142.30 is: 9,219,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,906.30 : 12,407,859.45 = 6,146,142.30 : x
  2. Step 2: Convert to fraction form
    8,271,906.30/12,407,859.45 = 6,146,142.30/x
  3. Step 3: Cross multiply
    8,271,906.30x = 12,407,859.45 × 6,146,142.30
  4. Step 4: Simplify right side
    8,271,906.30x = 76,260,469,818,099.73
  5. Step 5: Solve for x
    x = 76,260,469,818,099.73/8,271,906.30
  6. Step 6: Final answer
    x = 9,219,213.45

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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.