Finding the Fourth Proportional to 8,811,413.51, 12,159,960.11 and 4,944,220.69
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Solution
The fourth proportional to 8,811,413.51, 12,159,960.11 and 4,944,220.69 is: 6,823,142.09
Step by Step Solution
- Step 1: Write the proportion equation
8,811,413.51 : 12,159,960.11 = 4,944,220.69 : x - Step 2: Convert to fraction form
8,811,413.51/12,159,960.11 = 4,944,220.69/x - Step 3: Cross multiply
8,811,413.51x = 12,159,960.11 × 4,944,220.69 - Step 4: Simplify right side
8,811,413.51x = 60,121,526,345,267.78 - Step 5: Solve for x
x = 60,121,526,345,267.78/8,811,413.51 - Step 6: Final answer
x = 6,823,142.09
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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.