Home / 8,271,458.30-12,407,187.45-6,145,694.30

Finding the Fourth Proportional to 8,271,458.30, 12,407,187.45 and 6,145,694.30

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Solution

The fourth proportional to 8,271,458.30, 12,407,187.45 and 6,145,694.30 is: 9,218,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,458.30 : 12,407,187.45 = 6,145,694.30 : x
  2. Step 2: Convert to fraction form
    8,271,458.30/12,407,187.45 = 6,145,694.30/x
  3. Step 3: Cross multiply
    8,271,458.30x = 12,407,187.45 × 6,145,694.30
  4. Step 4: Simplify right side
    8,271,458.30x = 76,250,781,190,496.53
  5. Step 5: Solve for x
    x = 76,250,781,190,496.53/8,271,458.30
  6. Step 6: Final answer
    x = 9,218,541.45

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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.