Finding the Fourth Proportional to 21,723,561.80, 32,589,716.70 and 6,370,821.80
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Solution
The fourth proportional to 21,723,561.80, 32,589,716.70 and 6,370,821.80 is: 9,557,515.45
Step by Step Solution
- Step 1: Write the proportion equation
21,723,561.80 : 32,589,716.70 = 6,370,821.80 : x - Step 2: Convert to fraction form
21,723,561.80/32,589,716.70 = 6,370,821.80/x - Step 3: Cross multiply
21,723,561.80x = 32,589,716.70 × 6,370,821.80 - Step 4: Simplify right side
21,723,561.80x = 207,623,277,608,184.06 - Step 5: Solve for x
x = 207,623,277,608,184.06/21,723,561.80 - Step 6: Final answer
x = 9,557,515.45
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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.