Finding the Fourth Proportional to 36,541,020.39, 50,422,539.73 and 20,239,413.99
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Solution
The fourth proportional to 36,541,020.39, 50,422,539.73 and 20,239,413.99 is: 27,928,137.89
Step by Step Solution
- Step 1: Write the proportion equation
36,541,020.39 : 50,422,539.73 = 20,239,413.99 : x - Step 2: Convert to fraction form
36,541,020.39/50,422,539.73 = 20,239,413.99/x - Step 3: Cross multiply
36,541,020.39x = 50,422,539.73 × 20,239,413.99 - Step 4: Simplify right side
36,541,020.39x = 1,020,522,656,022,692.62 - Step 5: Solve for x
x = 1,020,522,656,022,692.62/36,541,020.39 - Step 6: Final answer
x = 27,928,137.89
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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.