Finding the Fourth Proportional to 18,085,364.10, 27,131,035.05 and 8,379,676.80
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Solution
The fourth proportional to 18,085,364.10, 27,131,035.05 and 8,379,676.80 is: 12,570,900.08
Step by Step Solution
- Step 1: Write the proportion equation
18,085,364.10 : 27,131,035.05 = 8,379,676.80 : x - Step 2: Convert to fraction form
18,085,364.10/27,131,035.05 = 8,379,676.80/x - Step 3: Cross multiply
18,085,364.10x = 27,131,035.05 × 8,379,676.80 - Step 4: Simplify right side
18,085,364.10x = 227,349,304,968,471.84 - Step 5: Solve for x
x = 227,349,304,968,471.84/18,085,364.10 - Step 6: Final answer
x = 12,570,900.08
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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.