Finding the Fourth Proportional to 18,598,660.79, 27,898,080.29 and 5,644,923.98
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Solution
The fourth proportional to 18,598,660.79, 27,898,080.29 and 5,644,923.98 is: 8,467,413.01
Step by Step Solution
- Step 1: Write the proportion equation
18,598,660.79 : 27,898,080.29 = 5,644,923.98 : x - Step 2: Convert to fraction form
18,598,660.79/27,898,080.29 = 5,644,923.98/x - Step 3: Cross multiply
18,598,660.79x = 27,898,080.29 × 5,644,923.98 - Step 4: Simplify right side
18,598,660.79x = 157,482,542,396,761.75 - Step 5: Solve for x
x = 157,482,542,396,761.75/18,598,660.79 - Step 6: Final answer
x = 8,467,413.01
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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.