Finding the Fourth Proportional to 18,027,413.43, 27,022,224.47 and 6,660,612.15
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Solution
The fourth proportional to 18,027,413.43, 27,022,224.47 and 6,660,612.15 is: 9,983,936.81
Step by Step Solution
- Step 1: Write the proportion equation
18,027,413.43 : 27,022,224.47 = 6,660,612.15 : x - Step 2: Convert to fraction form
18,027,413.43/27,022,224.47 = 6,660,612.15/x - Step 3: Cross multiply
18,027,413.43x = 27,022,224.47 × 6,660,612.15 - Step 4: Simplify right side
18,027,413.43x = 179,984,556,591,606.25 - Step 5: Solve for x
x = 179,984,556,591,606.25/18,027,413.43 - Step 6: Final answer
x = 9,983,936.81
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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.