Home / 12,432,640.56-17,032,778.32-11,966,668.63

Finding the Fourth Proportional to 12,432,640.56, 17,032,778.32 and 11,966,668.63

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Solution

The fourth proportional to 12,432,640.56, 17,032,778.32 and 11,966,668.63 is: 16,394,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,640.56 : 17,032,778.32 = 11,966,668.63 : x
  2. Step 2: Convert to fraction form
    12,432,640.56/17,032,778.32 = 11,966,668.63/x
  3. Step 3: Cross multiply
    12,432,640.56x = 17,032,778.32 × 11,966,668.63
  4. Step 4: Simplify right side
    12,432,640.56x = 203,825,613,918,524.22
  5. Step 5: Solve for x
    x = 203,825,613,918,524.22/12,432,640.56
  6. Step 6: Final answer
    x = 16,394,394.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.