Finding the Fourth Proportional to 11,981,643.68, 16,534,674.24 and 6,825,488.24
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Solution
The fourth proportional to 11,981,643.68, 16,534,674.24 and 6,825,488.24 is: 9,419,177.17
Step by Step Solution
- Step 1: Write the proportion equation
11,981,643.68 : 16,534,674.24 = 6,825,488.24 : x - Step 2: Convert to fraction form
11,981,643.68/16,534,674.24 = 6,825,488.24/x - Step 3: Cross multiply
11,981,643.68x = 16,534,674.24 × 6,825,488.24 - Step 4: Simplify right side
11,981,643.68x = 112,857,224,577,350.94 - Step 5: Solve for x
x = 112,857,224,577,350.94/11,981,643.68 - Step 6: Final answer
x = 9,419,177.17
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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.