Finding the Fourth Proportional to 11,687,295.18, 17,530,942.80 and 3,167,631.66
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Solution
The fourth proportional to 11,687,295.18, 17,530,942.80 and 3,167,631.66 is: 4,751,447.50
Step by Step Solution
- Step 1: Write the proportion equation
11,687,295.18 : 17,530,942.80 = 3,167,631.66 : x - Step 2: Convert to fraction form
11,687,295.18/17,530,942.80 = 3,167,631.66/x - Step 3: Cross multiply
11,687,295.18x = 17,530,942.80 × 3,167,631.66 - Step 4: Simplify right side
11,687,295.18x = 55,531,569,442,929.05 - Step 5: Solve for x
x = 55,531,569,442,929.05/11,687,295.18 - Step 6: Final answer
x = 4,751,447.50
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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.