Home / 12,096,165.20-18,144,247.80-6,994,331.60

Finding the Fourth Proportional to 12,096,165.20, 18,144,247.80 and 6,994,331.60

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Solution

The fourth proportional to 12,096,165.20, 18,144,247.80 and 6,994,331.60 is: 10,491,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,165.20 : 18,144,247.80 = 6,994,331.60 : x
  2. Step 2: Convert to fraction form
    12,096,165.20/18,144,247.80 = 6,994,331.60/x
  3. Step 3: Cross multiply
    12,096,165.20x = 18,144,247.80 × 6,994,331.60
  4. Step 4: Simplify right side
    12,096,165.20x = 126,906,885,745,770.48
  5. Step 5: Solve for x
    x = 126,906,885,745,770.48/12,096,165.20
  6. Step 6: Final answer
    x = 10,491,497.40

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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.