Finding the Fourth Proportional to 35,188,974.77, 48,560,316.30 and 19,719,361.49
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Solution
The fourth proportional to 35,188,974.77, 48,560,316.30 and 19,719,361.49 is: 27,212,456.10
Step by Step Solution
- Step 1: Write the proportion equation
35,188,974.77 : 48,560,316.30 = 19,719,361.49 : x - Step 2: Convert to fraction form
35,188,974.77/48,560,316.30 = 19,719,361.49/x - Step 3: Cross multiply
35,188,974.77x = 48,560,316.30 × 19,719,361.49 - Step 4: Simplify right side
35,188,974.77x = 957,578,431,354,253.38 - Step 5: Solve for x
x = 957,578,431,354,253.38/35,188,974.77 - Step 6: Final answer
x = 27,212,456.10
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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.