Home / 12,161,209.21-16,781,730.26-6,933,486.42

Finding the Fourth Proportional to 12,161,209.21, 16,781,730.26 and 6,933,486.42

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Solution

The fourth proportional to 12,161,209.21, 16,781,730.26 and 6,933,486.42 is: 9,567,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,209.21 : 16,781,730.26 = 6,933,486.42 : x
  2. Step 2: Convert to fraction form
    12,161,209.21/16,781,730.26 = 6,933,486.42/x
  3. Step 3: Cross multiply
    12,161,209.21x = 16,781,730.26 × 6,933,486.42
  4. Step 4: Simplify right side
    12,161,209.21x = 116,355,898,777,904.44
  5. Step 5: Solve for x
    x = 116,355,898,777,904.44/12,161,209.21
  6. Step 6: Final answer
    x = 9,567,790.24

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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.