Finding the Fourth Proportional to 11,678,413.84, 16,116,700.80 and 6,716,856.64
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Solution
The fourth proportional to 11,678,413.84, 16,116,700.80 and 6,716,856.64 is: 9,269,543.82
Step by Step Solution
- Step 1: Write the proportion equation
11,678,413.84 : 16,116,700.80 = 6,716,856.64 : x - Step 2: Convert to fraction form
11,678,413.84/16,116,700.80 = 6,716,856.64/x - Step 3: Cross multiply
11,678,413.84x = 16,116,700.80 × 6,716,856.64 - Step 4: Simplify right side
11,678,413.84x = 108,253,568,783,373.31 - Step 5: Solve for x
x = 108,253,568,783,373.31/11,678,413.84 - Step 6: Final answer
x = 9,269,543.82
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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.