Finding the Fourth Proportional to 18,588,642.44, 27,863,028.68 and 8,990,817.98
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Solution
The fourth proportional to 18,588,642.44, 27,863,028.68 and 8,990,817.98 is: 13,476,584.96
Step by Step Solution
- Step 1: Write the proportion equation
18,588,642.44 : 27,863,028.68 = 8,990,817.98 : x - Step 2: Convert to fraction form
18,588,642.44/27,863,028.68 = 8,990,817.98/x - Step 3: Cross multiply
18,588,642.44x = 27,863,028.68 × 8,990,817.98 - Step 4: Simplify right side
18,588,642.44x = 250,511,419,049,130.44 - Step 5: Solve for x
x = 250,511,419,049,130.44/18,588,642.44 - Step 6: Final answer
x = 13,476,584.96
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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.