Finding the Fourth Proportional to 18,324,381.36, 27,482,029.92 and 6,193,575.12
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Solution
The fourth proportional to 18,324,381.36, 27,482,029.92 and 6,193,575.12 is: 9,288,827.46
Step by Step Solution
- Step 1: Write the proportion equation
18,324,381.36 : 27,482,029.92 = 6,193,575.12 : x - Step 2: Convert to fraction form
18,324,381.36/27,482,029.92 = 6,193,575.12/x - Step 3: Cross multiply
18,324,381.36x = 27,482,029.92 × 6,193,575.12 - Step 4: Simplify right side
18,324,381.36x = 170,212,016,759,607.59 - Step 5: Solve for x
x = 170,212,016,759,607.59/18,324,381.36 - Step 6: Final answer
x = 9,288,827.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.