Finding the Fourth Proportional to 31,528,640.88, 43,509,551.49 and 17,589,998.14
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Solution
The fourth proportional to 31,528,640.88, 43,509,551.49 and 17,589,998.14 is: 24,274,212.54
Step by Step Solution
- Step 1: Write the proportion equation
31,528,640.88 : 43,509,551.49 = 17,589,998.14 : x - Step 2: Convert to fraction form
31,528,640.88/43,509,551.49 = 17,589,998.14/x - Step 3: Cross multiply
31,528,640.88x = 43,509,551.49 × 17,589,998.14 - Step 4: Simplify right side
31,528,640.88x = 765,332,929,672,560.38 - Step 5: Solve for x
x = 765,332,929,672,560.38/31,528,640.88 - Step 6: Final answer
x = 24,274,212.54
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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.