Finding the Fourth Proportional to 18,144,808.80, 27,217,213.20 and 16,297,231.20
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Solution
The fourth proportional to 18,144,808.80, 27,217,213.20 and 16,297,231.20 is: 24,445,846.80
Step by Step Solution
- Step 1: Write the proportion equation
18,144,808.80 : 27,217,213.20 = 16,297,231.20 : x - Step 2: Convert to fraction form
18,144,808.80/27,217,213.20 = 16,297,231.20/x - Step 3: Cross multiply
18,144,808.80x = 27,217,213.20 × 16,297,231.20 - Step 4: Simplify right side
18,144,808.80x = 443,565,216,140,091.81 - Step 5: Solve for x
x = 443,565,216,140,091.81/18,144,808.80 - Step 6: Final answer
x = 24,445,846.80
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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.