Finding the Fourth Proportional to 7,790,475.93, 10,751,413.11 and 4,305,739.74
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Solution
The fourth proportional to 7,790,475.93, 10,751,413.11 and 4,305,739.74 is: 5,942,228.32
Step by Step Solution
- Step 1: Write the proportion equation
7,790,475.93 : 10,751,413.11 = 4,305,739.74 : x - Step 2: Convert to fraction form
7,790,475.93/10,751,413.11 = 4,305,739.74/x - Step 3: Cross multiply
7,790,475.93x = 10,751,413.11 × 4,305,739.74 - Step 4: Simplify right side
7,790,475.93x = 46,292,786,688,883.99 - Step 5: Solve for x
x = 46,292,786,688,883.99/7,790,475.93 - Step 6: Final answer
x = 5,942,228.32
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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.