Finding the Fourth Proportional to 27,981,180.66, 38,614,107.70 and 16,222,734.12
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Solution
The fourth proportional to 27,981,180.66, 38,614,107.70 and 16,222,734.12 is: 22,387,418.53
Step by Step Solution
- Step 1: Write the proportion equation
27,981,180.66 : 38,614,107.70 = 16,222,734.12 : x - Step 2: Convert to fraction form
27,981,180.66/38,614,107.70 = 16,222,734.12/x - Step 3: Cross multiply
27,981,180.66x = 38,614,107.70 × 16,222,734.12 - Step 4: Simplify right side
27,981,180.66x = 626,426,402,498,144.75 - Step 5: Solve for x
x = 626,426,402,498,144.75/27,981,180.66 - Step 6: Final answer
x = 22,387,418.53
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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.