Finding the Fourth Proportional to 12,342,797.13, 18,515,413.26 and 4,254,708.18
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Solution
The fourth proportional to 12,342,797.13, 18,515,413.26 and 4,254,708.18 is: 6,382,481.98
Step by Step Solution
- Step 1: Write the proportion equation
12,342,797.13 : 18,515,413.26 = 4,254,708.18 : x - Step 2: Convert to fraction form
12,342,797.13/18,515,413.26 = 4,254,708.18/x - Step 3: Cross multiply
12,342,797.13x = 18,515,413.26 × 4,254,708.18 - Step 4: Simplify right side
12,342,797.13x = 78,777,680,253,402.47 - Step 5: Solve for x
x = 78,777,680,253,402.47/12,342,797.13 - Step 6: Final answer
x = 6,382,481.98
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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.