Finding the Fourth Proportional to 11,489,608.80, 17,234,413.20 and 6,702,703.20
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Solution
The fourth proportional to 11,489,608.80, 17,234,413.20 and 6,702,703.20 is: 10,054,054.80
Step by Step Solution
- Step 1: Write the proportion equation
11,489,608.80 : 17,234,413.20 = 6,702,703.20 : x - Step 2: Convert to fraction form
11,489,608.80/17,234,413.20 = 6,702,703.20/x - Step 3: Cross multiply
11,489,608.80x = 17,234,413.20 × 6,702,703.20 - Step 4: Simplify right side
11,489,608.80x = 115,517,156,505,762.23 - Step 5: Solve for x
x = 115,517,156,505,762.23/11,489,608.80 - Step 6: Final answer
x = 10,054,054.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.