Finding the Fourth Proportional to 29,139,436.80, 40,211,369.44 and 16,086,415.99
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Solution
The fourth proportional to 29,139,436.80, 40,211,369.44 and 16,086,415.99 is: 22,198,672.57
Step by Step Solution
- Step 1: Write the proportion equation
29,139,436.80 : 40,211,369.44 = 16,086,415.99 : x - Step 2: Convert to fraction form
29,139,436.80/40,211,369.44 = 16,086,415.99/x - Step 3: Cross multiply
29,139,436.80x = 40,211,369.44 × 16,086,415.99 - Step 4: Simplify right side
29,139,436.80x = 646,856,816,339,413.38 - Step 5: Solve for x
x = 646,856,816,339,413.38/29,139,436.80 - Step 6: Final answer
x = 22,198,672.57
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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.