Home / 12,661,791.37-17,479,296.72-8,482,672.19

Finding the Fourth Proportional to 12,661,791.37, 17,479,296.72 and 8,482,672.19

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Solution

The fourth proportional to 12,661,791.37, 17,479,296.72 and 8,482,672.19 is: 11,710,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,791.37 : 17,479,296.72 = 8,482,672.19 : x
  2. Step 2: Convert to fraction form
    12,661,791.37/17,479,296.72 = 8,482,672.19/x
  3. Step 3: Cross multiply
    12,661,791.37x = 17,479,296.72 × 8,482,672.19
  4. Step 4: Simplify right side
    12,661,791.37x = 148,271,144,187,502.19
  5. Step 5: Solve for x
    x = 148,271,144,187,502.19/12,661,791.37
  6. Step 6: Final answer
    x = 11,710,123.78

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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.