Home / 8,261,997.80-12,392,996.70-6,136,233.80

Finding the Fourth Proportional to 8,261,997.80, 12,392,996.70 and 6,136,233.80

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Solution

The fourth proportional to 8,261,997.80, 12,392,996.70 and 6,136,233.80 is: 9,204,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,997.80 : 12,392,996.70 = 6,136,233.80 : x
  2. Step 2: Convert to fraction form
    8,261,997.80/12,392,996.70 = 6,136,233.80/x
  3. Step 3: Cross multiply
    8,261,997.80x = 12,392,996.70 × 6,136,233.80
  4. Step 4: Simplify right side
    8,261,997.80x = 76,046,325,233,828.45
  5. Step 5: Solve for x
    x = 76,046,325,233,828.45/8,261,997.80
  6. Step 6: Final answer
    x = 9,204,350.70

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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.