Finding the Fourth Proportional to 30,186,578.09, 41,658,503.49 and 16,958,092.05
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Solution
The fourth proportional to 30,186,578.09, 41,658,503.49 and 16,958,092.05 is: 23,402,743.26
Step by Step Solution
- Step 1: Write the proportion equation
30,186,578.09 : 41,658,503.49 = 16,958,092.05 : x - Step 2: Convert to fraction form
30,186,578.09/41,658,503.49 = 16,958,092.05/x - Step 3: Cross multiply
30,186,578.09x = 41,658,503.49 × 16,958,092.05 - Step 4: Simplify right side
30,186,578.09x = 706,448,736,848,666.38 - Step 5: Solve for x
x = 706,448,736,848,666.38/30,186,578.09 - Step 6: Final answer
x = 23,402,743.26
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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.