Finding the Fourth Proportional to 7,811,821.04, 11,719,404.72 and 2,420,352.08
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Solution
The fourth proportional to 7,811,821.04, 11,719,404.72 and 2,420,352.08 is: 3,631,046.52
Step by Step Solution
- Step 1: Write the proportion equation
7,811,821.04 : 11,719,404.72 = 2,420,352.08 : x - Step 2: Convert to fraction form
7,811,821.04/11,719,404.72 = 2,420,352.08/x - Step 3: Cross multiply
7,811,821.04x = 11,719,404.72 × 2,420,352.08 - Step 4: Simplify right side
7,811,821.04x = 28,365,085,590,413.82 - Step 5: Solve for x
x = 28,365,085,590,413.82/7,811,821.04 - Step 6: Final answer
x = 3,631,046.52
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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.