Finding the Fourth Proportional to 7,972,542.08, 11,002,104.88 and 4,350,870.08
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Solution
The fourth proportional to 7,972,542.08, 11,002,104.88 and 4,350,870.08 is: 6,004,198.97
Step by Step Solution
- Step 1: Write the proportion equation
7,972,542.08 : 11,002,104.88 = 4,350,870.08 : x - Step 2: Convert to fraction form
7,972,542.08/11,002,104.88 = 4,350,870.08/x - Step 3: Cross multiply
7,972,542.08x = 11,002,104.88 × 4,350,870.08 - Step 4: Simplify right side
7,972,542.08x = 47,868,728,939,413.99 - Step 5: Solve for x
x = 47,868,728,939,413.99/7,972,542.08 - Step 6: Final answer
x = 6,004,198.97
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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.