Home / 8,271,750.30-12,407,625.45-6,145,986.30

Finding the Fourth Proportional to 8,271,750.30, 12,407,625.45 and 6,145,986.30

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Solution

The fourth proportional to 8,271,750.30, 12,407,625.45 and 6,145,986.30 is: 9,218,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,750.30 : 12,407,625.45 = 6,145,986.30 : x
  2. Step 2: Convert to fraction form
    8,271,750.30/12,407,625.45 = 6,145,986.30/x
  3. Step 3: Cross multiply
    8,271,750.30x = 12,407,625.45 × 6,145,986.30
  4. Step 4: Simplify right side
    8,271,750.30x = 76,257,096,031,231.33
  5. Step 5: Solve for x
    x = 76,257,096,031,231.33/8,271,750.30
  6. Step 6: Final answer
    x = 9,218,979.45

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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.