Finding the Fourth Proportional to 6,329,413.47, 8,734,613.22 and 3,428,796.99
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Solution
The fourth proportional to 6,329,413.47, 8,734,613.22 and 3,428,796.99 is: 4,731,752.11
Step by Step Solution
- Step 1: Write the proportion equation
6,329,413.47 : 8,734,613.22 = 3,428,796.99 : x - Step 2: Convert to fraction form
6,329,413.47/8,734,613.22 = 3,428,796.99/x - Step 3: Cross multiply
6,329,413.47x = 8,734,613.22 × 3,428,796.99 - Step 4: Simplify right side
6,329,413.47x = 29,949,215,517,550.21 - Step 5: Solve for x
x = 29,949,215,517,550.21/6,329,413.47 - Step 6: Final answer
x = 4,731,752.11
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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.