Home / 21,694,725.67-29,939,584.60-11,905,520.18

Finding the Fourth Proportional to 21,694,725.67, 29,939,584.60 and 11,905,520.18

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Solution

The fourth proportional to 21,694,725.67, 29,939,584.60 and 11,905,520.18 is: 16,430,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,725.67 : 29,939,584.60 = 11,905,520.18 : x
  2. Step 2: Convert to fraction form
    21,694,725.67/29,939,584.60 = 11,905,520.18/x
  3. Step 3: Cross multiply
    21,694,725.67x = 29,939,584.60 × 11,905,520.18
  4. Step 4: Simplify right side
    21,694,725.67x = 356,446,328,669,711.38
  5. Step 5: Solve for x
    x = 356,446,328,669,711.38/21,694,725.67
  6. Step 6: Final answer
    x = 16,430,091.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.