Finding the Fourth Proportional to 18,419,514.66, 27,623,293.20 and 6,120,174.96
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Solution
The fourth proportional to 18,419,514.66, 27,623,293.20 and 6,120,174.96 is: 9,178,275.89
Step by Step Solution
- Step 1: Write the proportion equation
18,419,514.66 : 27,623,293.20 = 6,120,174.96 : x - Step 2: Convert to fraction form
18,419,514.66/27,623,293.20 = 6,120,174.96/x - Step 3: Cross multiply
18,419,514.66x = 27,623,293.20 × 6,120,174.96 - Step 4: Simplify right side
18,419,514.66x = 169,059,387,355,378.28 - Step 5: Solve for x
x = 169,059,387,355,378.28/18,419,514.66 - Step 6: Final answer
x = 9,178,275.89
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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.