Finding the Fourth Proportional to 12,394,449.27, 17,086,313.04 and 8,661,691.08
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Solution
The fourth proportional to 12,394,449.27, 17,086,313.04 and 8,661,691.08 is: 11,940,535.80
Step by Step Solution
- Step 1: Write the proportion equation
12,394,449.27 : 17,086,313.04 = 8,661,691.08 : x - Step 2: Convert to fraction form
12,394,449.27/17,086,313.04 = 8,661,691.08/x - Step 3: Cross multiply
12,394,449.27x = 17,086,313.04 × 8,661,691.08 - Step 4: Simplify right side
12,394,449.27x = 147,996,365,216,174.34 - Step 5: Solve for x
x = 147,996,365,216,174.34/12,394,449.27 - Step 6: Final answer
x = 11,940,535.80
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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.