Finding the Fourth Proportional to 29,906,185.82, 41,278,214.66 and 19,478,187.09
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Solution
The fourth proportional to 29,906,185.82, 41,278,214.66 and 19,478,187.09 is: 26,884,899.09
Step by Step Solution
- Step 1: Write the proportion equation
29,906,185.82 : 41,278,214.66 = 19,478,187.09 : x - Step 2: Convert to fraction form
29,906,185.82/41,278,214.66 = 19,478,187.09/x - Step 3: Cross multiply
29,906,185.82x = 41,278,214.66 × 19,478,187.09 - Step 4: Simplify right side
29,906,185.82x = 804,024,787,791,269.88 - Step 5: Solve for x
x = 804,024,787,791,269.88/29,906,185.82 - Step 6: Final answer
x = 26,884,899.09
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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.