Finding the Fourth Proportional to 11,886,186.44, 16,402,768.98 and 6,729,413.96
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Solution
The fourth proportional to 11,886,186.44, 16,402,768.98 and 6,729,413.96 is: 9,286,495.98
Step by Step Solution
- Step 1: Write the proportion equation
11,886,186.44 : 16,402,768.98 = 6,729,413.96 : x - Step 2: Convert to fraction form
11,886,186.44/16,402,768.98 = 6,729,413.96/x - Step 3: Cross multiply
11,886,186.44x = 16,402,768.98 × 6,729,413.96 - Step 4: Simplify right side
11,886,186.44x = 110,381,022,556,666.97 - Step 5: Solve for x
x = 110,381,022,556,666.97/11,886,186.44 - Step 6: Final answer
x = 9,286,495.98
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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.