Home / 28,405,859.33-39,200,855.72-17,392,399.49

Finding the Fourth Proportional to 28,405,859.33, 39,200,855.72 and 17,392,399.49

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Solution

The fourth proportional to 28,405,859.33, 39,200,855.72 and 17,392,399.49 is: 24,001,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,859.33 : 39,200,855.72 = 17,392,399.49 : x
  2. Step 2: Convert to fraction form
    28,405,859.33/39,200,855.72 = 17,392,399.49/x
  3. Step 3: Cross multiply
    28,405,859.33x = 39,200,855.72 × 17,392,399.49
  4. Step 4: Simplify right side
    28,405,859.33x = 681,796,942,749,125.38
  5. Step 5: Solve for x
    x = 681,796,942,749,125.38/28,405,859.33
  6. Step 6: Final answer
    x = 24,001,982.65

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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.