Finding the Fourth Proportional to 7,756,103.16, 11,639,468.88 and 2,707,413.12
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Solution
The fourth proportional to 7,756,103.16, 11,639,468.88 and 2,707,413.12 is: 4,062,974.68
Step by Step Solution
- Step 1: Write the proportion equation
7,756,103.16 : 11,639,468.88 = 2,707,413.12 : x - Step 2: Convert to fraction form
7,756,103.16/11,639,468.88 = 2,707,413.12/x - Step 3: Cross multiply
7,756,103.16x = 11,639,468.88 × 2,707,413.12 - Step 4: Simplify right side
7,756,103.16x = 31,512,850,755,543.71 - Step 5: Solve for x
x = 31,512,850,755,543.71/7,756,103.16 - Step 6: Final answer
x = 4,062,974.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.