Home / 19,093,447.20-28,615,287.60-8,857,120.80

Finding the Fourth Proportional to 19,093,447.20, 28,615,287.60 and 8,857,120.80

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Solution

The fourth proportional to 19,093,447.20, 28,615,287.60 and 8,857,120.80 is: 13,274,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093,447.20 : 28,615,287.60 = 8,857,120.80 : x
  2. Step 2: Convert to fraction form
    19,093,447.20/28,615,287.60 = 8,857,120.80/x
  3. Step 3: Cross multiply
    19,093,447.20x = 28,615,287.60 × 8,857,120.80
  4. Step 4: Simplify right side
    19,093,447.20x = 253,449,058,999,942.12
  5. Step 5: Solve for x
    x = 253,449,058,999,942.12/19,093,447.20
  6. Step 6: Final answer
    x = 13,274,138.31

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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.