Home / 13,629,819.27-18,809,270.64-7,434,893.37

Finding the Fourth Proportional to 13,629,819.27, 18,809,270.64 and 7,434,893.37

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Solution

The fourth proportional to 13,629,819.27, 18,809,270.64 and 7,434,893.37 is: 10,260,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,819.27 : 18,809,270.64 = 7,434,893.37 : x
  2. Step 2: Convert to fraction form
    13,629,819.27/18,809,270.64 = 7,434,893.37/x
  3. Step 3: Cross multiply
    13,629,819.27x = 18,809,270.64 × 7,434,893.37
  4. Step 4: Simplify right side
    13,629,819.27x = 139,844,921,575,871.66
  5. Step 5: Solve for x
    x = 139,844,921,575,871.66/13,629,819.27
  6. Step 6: Final answer
    x = 10,260,218.33

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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.