Home / 13,320,588.54-18,381,893.31-8,361,697.26

Finding the Fourth Proportional to 13,320,588.54, 18,381,893.31 and 8,361,697.26

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Solution

The fourth proportional to 13,320,588.54, 18,381,893.31 and 8,361,697.26 is: 11,538,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,588.54 : 18,381,893.31 = 8,361,697.26 : x
  2. Step 2: Convert to fraction form
    13,320,588.54/18,381,893.31 = 8,361,697.26/x
  3. Step 3: Cross multiply
    13,320,588.54x = 18,381,893.31 × 8,361,697.26
  4. Step 4: Simplify right side
    13,320,588.54x = 153,703,826,923,839.31
  5. Step 5: Solve for x
    x = 153,703,826,923,839.31/13,320,588.54
  6. Step 6: Final answer
    x = 11,538,816.51

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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.