Finding the Fourth Proportional to 18,145,230.30, 27,217,845.45 and 16,297,652.70
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Solution
The fourth proportional to 18,145,230.30, 27,217,845.45 and 16,297,652.70 is: 24,446,479.05
Step by Step Solution
- Step 1: Write the proportion equation
18,145,230.30 : 27,217,845.45 = 16,297,652.70 : x - Step 2: Convert to fraction form
18,145,230.30/27,217,845.45 = 16,297,652.70/x - Step 3: Cross multiply
18,145,230.30x = 27,217,845.45 × 16,297,652.70 - Step 4: Simplify right side
18,145,230.30x = 443,586,992,386,375.19 - Step 5: Solve for x
x = 443,586,992,386,375.19/18,145,230.30 - Step 6: Final answer
x = 24,446,479.05
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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.