Home / 13,933,840.22-19,227,637.94-7,821,087.74

Finding the Fourth Proportional to 13,933,840.22, 19,227,637.94 and 7,821,087.74

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Solution

The fourth proportional to 13,933,840.22, 19,227,637.94 and 7,821,087.74 is: 10,792,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,840.22 : 19,227,637.94 = 7,821,087.74 : x
  2. Step 2: Convert to fraction form
    13,933,840.22/19,227,637.94 = 7,821,087.74/x
  3. Step 3: Cross multiply
    13,933,840.22x = 19,227,637.94 × 7,821,087.74
  4. Step 4: Simplify right side
    13,933,840.22x = 150,381,043,361,692.88
  5. Step 5: Solve for x
    x = 150,381,043,361,692.88/13,933,840.22
  6. Step 6: Final answer
    x = 10,792,505.22

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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.