Finding the Fourth Proportional to 11,512,495.07, 15,894,413.11 and 7,328,540.69
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Solution
The fourth proportional to 11,512,495.07, 15,894,413.11 and 7,328,540.69 is: 10,117,950.33
Step by Step Solution
- Step 1: Write the proportion equation
11,512,495.07 : 15,894,413.11 = 7,328,540.69 : x - Step 2: Convert to fraction form
11,512,495.07/15,894,413.11 = 7,328,540.69/x - Step 3: Cross multiply
11,512,495.07x = 15,894,413.11 × 7,328,540.69 - Step 4: Simplify right side
11,512,495.07x = 116,482,853,198,889.77 - Step 5: Solve for x
x = 116,482,853,198,889.77/11,512,495.07 - Step 6: Final answer
x = 10,117,950.33
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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.