Home / 12,169,894.38-16,793,814.93-6,662,213.73

Finding the Fourth Proportional to 12,169,894.38, 16,793,814.93 and 6,662,213.73

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Solution

The fourth proportional to 12,169,894.38, 16,793,814.93 and 6,662,213.73 is: 9,193,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169,894.38 : 16,793,814.93 = 6,662,213.73 : x
  2. Step 2: Convert to fraction form
    12,169,894.38/16,793,814.93 = 6,662,213.73/x
  3. Step 3: Cross multiply
    12,169,894.38x = 16,793,814.93 × 6,662,213.73
  4. Step 4: Simplify right side
    12,169,894.38x = 111,883,984,405,725
  5. Step 5: Solve for x
    x = 111,883,984,405,725/12,169,894.38
  6. Step 6: Final answer
    x = 9,193,504.96

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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.