Finding the Fourth Proportional to 16,900,378.07, 25,379,578.13 and 10,373,413.99
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Solution
The fourth proportional to 16,900,378.07, 25,379,578.13 and 10,373,413.99 is: 15,577,927.88
Step by Step Solution
- Step 1: Write the proportion equation
16,900,378.07 : 25,379,578.13 = 10,373,413.99 : x - Step 2: Convert to fraction form
16,900,378.07/25,379,578.13 = 10,373,413.99/x - Step 3: Cross multiply
16,900,378.07x = 25,379,578.13 × 10,373,413.99 - Step 4: Simplify right side
16,900,378.07x = 263,272,870,766,310.75 - Step 5: Solve for x
x = 263,272,870,766,310.75/16,900,378.07 - Step 6: Final answer
x = 15,577,927.88
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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.