Finding the Fourth Proportional to 10,858,586.30, 16,284,262.62 and 4,379,988.41
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Solution
The fourth proportional to 10,858,586.30, 16,284,262.62 and 4,379,988.41 is: 6,568,523.71
Step by Step Solution
- Step 1: Write the proportion equation
10,858,586.30 : 16,284,262.62 = 4,379,988.41 : x - Step 2: Convert to fraction form
10,858,586.30/16,284,262.62 = 4,379,988.41/x - Step 3: Cross multiply
10,858,586.30x = 16,284,262.62 × 4,379,988.41 - Step 4: Simplify right side
10,858,586.30x = 71,324,881,540,996.23 - Step 5: Solve for x
x = 71,324,881,540,996.23/10,858,586.30 - Step 6: Final answer
x = 6,568,523.71
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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.