Home / 12,186,015.75-16,816,701.92-6,753,857.67

Finding the Fourth Proportional to 12,186,015.75, 16,816,701.92 and 6,753,857.67

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Solution

The fourth proportional to 12,186,015.75, 16,816,701.92 and 6,753,857.67 is: 9,320,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,015.75 : 16,816,701.92 = 6,753,857.67 : x
  2. Step 2: Convert to fraction form
    12,186,015.75/16,816,701.92 = 6,753,857.67/x
  3. Step 3: Cross multiply
    12,186,015.75x = 16,816,701.92 × 6,753,857.67
  4. Step 4: Simplify right side
    12,186,015.75x = 113,577,611,212,726.44
  5. Step 5: Solve for x
    x = 113,577,611,212,726.44/12,186,015.75
  6. Step 6: Final answer
    x = 9,320,323.68

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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.