Home / 12,161,859.66-16,783,107.39-6,655,212.36

Finding the Fourth Proportional to 12,161,859.66, 16,783,107.39 and 6,655,212.36

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Solution

The fourth proportional to 12,161,859.66, 16,783,107.39 and 6,655,212.36 is: 9,184,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,859.66 : 16,783,107.39 = 6,655,212.36 : x
  2. Step 2: Convert to fraction form
    12,161,859.66/16,783,107.39 = 6,655,212.36/x
  3. Step 3: Cross multiply
    12,161,859.66x = 16,783,107.39 × 6,655,212.36
  4. Step 4: Simplify right side
    12,161,859.66x = 111,695,143,741,135.34
  5. Step 5: Solve for x
    x = 111,695,143,741,135.34/12,161,859.66
  6. Step 6: Final answer
    x = 9,184,051.36

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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.