Home / 12,096,672.70-18,145,009.05-11,172,883.90

Finding the Fourth Proportional to 12,096,672.70, 18,145,009.05 and 11,172,883.90

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Solution

The fourth proportional to 12,096,672.70, 18,145,009.05 and 11,172,883.90 is: 16,759,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,672.70 : 18,145,009.05 = 11,172,883.90 : x
  2. Step 2: Convert to fraction form
    12,096,672.70/18,145,009.05 = 11,172,883.90/x
  3. Step 3: Cross multiply
    12,096,672.70x = 18,145,009.05 × 11,172,883.90
  4. Step 4: Simplify right side
    12,096,672.70x = 202,732,079,480,099.31
  5. Step 5: Solve for x
    x = 202,732,079,480,099.31/12,096,672.70
  6. Step 6: Final answer
    x = 16,759,325.85

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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.