Home / 12,096,910.20-18,124,370.10-7,834,884.60

Finding the Fourth Proportional to 12,096,910.20, 18,124,370.10 and 7,834,884.60

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Solution

The fourth proportional to 12,096,910.20, 18,124,370.10 and 7,834,884.60 is: 11,738,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,910.20 : 18,124,370.10 = 7,834,884.60 : x
  2. Step 2: Convert to fraction form
    12,096,910.20/18,124,370.10 = 7,834,884.60/x
  3. Step 3: Cross multiply
    12,096,910.20x = 18,124,370.10 × 7,834,884.60
  4. Step 4: Simplify right side
    12,096,910.20x = 142,002,348,181,190.47
  5. Step 5: Solve for x
    x = 142,002,348,181,190.47/12,096,910.20
  6. Step 6: Final answer
    x = 11,738,728.80

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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.