Finding the Fourth Proportional to 12,169,910.14, 16,793,837.85 and 6,662,229.82
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Solution
The fourth proportional to 12,169,910.14, 16,793,837.85 and 6,662,229.82 is: 9,193,527.81
Step by Step Solution
- Step 1: Write the proportion equation
12,169,910.14 : 16,793,837.85 = 6,662,229.82 : x - Step 2: Convert to fraction form
12,169,910.14/16,793,837.85 = 6,662,229.82/x - Step 3: Cross multiply
12,169,910.14x = 16,793,837.85 × 6,662,229.82 - Step 4: Simplify right side
12,169,910.14x = 111,884,407,316,514.70 - Step 5: Solve for x
x = 111,884,407,316,514.70/12,169,910.14 - Step 6: Final answer
x = 9,193,527.81
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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.