Finding the Fourth Proportional to 7,792,356.05, 10,753,519.05 and 4,307,638.44
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Solution
The fourth proportional to 7,792,356.05, 10,753,519.05 and 4,307,638.44 is: 5,944,578.47
Step by Step Solution
- Step 1: Write the proportion equation
7,792,356.05 : 10,753,519.05 = 4,307,638.44 : x - Step 2: Convert to fraction form
7,792,356.05/10,753,519.05 = 4,307,638.44/x - Step 3: Cross multiply
7,792,356.05x = 10,753,519.05 × 4,307,638.44 - Step 4: Simplify right side
7,792,356.05x = 46,322,272,003,514.09 - Step 5: Solve for x
x = 46,322,272,003,514.09/7,792,356.05 - Step 6: Final answer
x = 5,944,578.47
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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.