Home / 28,586,917.23-39,449,915.76-15,534,145.09

Finding the Fourth Proportional to 28,586,917.23, 39,449,915.76 and 15,534,145.09

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Solution

The fourth proportional to 28,586,917.23, 39,449,915.76 and 15,534,145.09 is: 21,437,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,917.23 : 39,449,915.76 = 15,534,145.09 : x
  2. Step 2: Convert to fraction form
    28,586,917.23/39,449,915.76 = 15,534,145.09/x
  3. Step 3: Cross multiply
    28,586,917.23x = 39,449,915.76 × 15,534,145.09
  4. Step 4: Simplify right side
    28,586,917.23x = 612,820,715,204,117.62
  5. Step 5: Solve for x
    x = 612,820,715,204,117.62/28,586,917.23
  6. Step 6: Final answer
    x = 21,437,103.91

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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.