Home / 20,584,163.61-30,837,272.94-13,740,100.20

Finding the Fourth Proportional to 20,584,163.61, 30,837,272.94 and 13,740,100.20

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Solution

The fourth proportional to 20,584,163.61, 30,837,272.94 and 13,740,100.20 is: 20,584,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584,163.61 : 30,837,272.94 = 13,740,100.20 : x
  2. Step 2: Convert to fraction form
    20,584,163.61/30,837,272.94 = 13,740,100.20/x
  3. Step 3: Cross multiply
    20,584,163.61x = 30,837,272.94 × 13,740,100.20
  4. Step 4: Simplify right side
    20,584,163.61x = 423,707,220,090,348.56
  5. Step 5: Solve for x
    x = 423,707,220,090,348.56/20,584,163.61
  6. Step 6: Final answer
    x = 20,584,135.85

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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.