Finding the Fourth Proportional to 11,093,537.40, 16,607,646.90 and 8,266,183.80
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Solution
The fourth proportional to 11,093,537.40, 16,607,646.90 and 8,266,183.80 is: 12,374,940.18
Step by Step Solution
- Step 1: Write the proportion equation
11,093,537.40 : 16,607,646.90 = 8,266,183.80 : x - Step 2: Convert to fraction form
11,093,537.40/16,607,646.90 = 8,266,183.80/x - Step 3: Cross multiply
11,093,537.40x = 16,607,646.90 × 8,266,183.80 - Step 4: Simplify right side
11,093,537.40x = 137,281,861,760,900.22 - Step 5: Solve for x
x = 137,281,861,760,900.22/11,093,537.40 - Step 6: Final answer
x = 12,374,940.18
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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.