Finding the Fourth Proportional to 7,344,845.92, 10,125,204.79 and 5,132,841.11
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Solution
The fourth proportional to 7,344,845.92, 10,125,204.79 and 5,132,841.11 is: 7,075,855.36
Step by Step Solution
- Step 1: Write the proportion equation
7,344,845.92 : 10,125,204.79 = 5,132,841.11 : x - Step 2: Convert to fraction form
7,344,845.92/10,125,204.79 = 5,132,841.11/x - Step 3: Cross multiply
7,344,845.92x = 10,125,204.79 × 5,132,841.11 - Step 4: Simplify right side
7,344,845.92x = 51,971,067,355,487 - Step 5: Solve for x
x = 51,971,067,355,487/7,344,845.92 - Step 6: Final answer
x = 7,075,855.36
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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.