Home / 12,096,670.40-18,145,005.60-6,777,195.20

Finding the Fourth Proportional to 12,096,670.40, 18,145,005.60 and 6,777,195.20

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Solution

The fourth proportional to 12,096,670.40, 18,145,005.60 and 6,777,195.20 is: 10,165,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,670.40 : 18,145,005.60 = 6,777,195.20 : x
  2. Step 2: Convert to fraction form
    12,096,670.40/18,145,005.60 = 6,777,195.20/x
  3. Step 3: Cross multiply
    12,096,670.40x = 18,145,005.60 × 6,777,195.20
  4. Step 4: Simplify right side
    12,096,670.40x = 122,972,244,856,293.14
  5. Step 5: Solve for x
    x = 122,972,244,856,293.14/12,096,670.40
  6. Step 6: Final answer
    x = 10,165,792.80

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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.