Finding the Fourth Proportional to 13,310,046.24, 18,367,863.60 and 7,198,474.72
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Solution
The fourth proportional to 13,310,046.24, 18,367,863.60 and 7,198,474.72 is: 9,933,895.00
Step by Step Solution
- Step 1: Write the proportion equation
13,310,046.24 : 18,367,863.60 = 7,198,474.72 : x - Step 2: Convert to fraction form
13,310,046.24/18,367,863.60 = 7,198,474.72/x - Step 3: Cross multiply
13,310,046.24x = 18,367,863.60 × 7,198,474.72 - Step 4: Simplify right side
13,310,046.24x = 132,220,601,785,008.20 - Step 5: Solve for x
x = 132,220,601,785,008.20/13,310,046.24 - Step 6: Final answer
x = 9,933,895.00
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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.