Finding the Fourth Proportional to 8,693,413.80, 13,040,120.70 and 4,914,277.80
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Solution
The fourth proportional to 8,693,413.80, 13,040,120.70 and 4,914,277.80 is: 7,371,416.70
Step by Step Solution
- Step 1: Write the proportion equation
8,693,413.80 : 13,040,120.70 = 4,914,277.80 : x - Step 2: Convert to fraction form
8,693,413.80/13,040,120.70 = 4,914,277.80/x - Step 3: Cross multiply
8,693,413.80x = 13,040,120.70 × 4,914,277.80 - Step 4: Simplify right side
8,693,413.80x = 64,082,775,665,330.45 - Step 5: Solve for x
x = 64,082,775,665,330.45/8,693,413.80 - Step 6: Final answer
x = 7,371,416.70
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1.5x scale
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.