Finding the Fourth Proportional to 14,728,438.08, 20,324,677.68 and 8,202,342.64
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Solution
The fourth proportional to 14,728,438.08, 20,324,677.68 and 8,202,342.64 is: 11,318,917.15
Step by Step Solution
- Step 1: Write the proportion equation
14,728,438.08 : 20,324,677.68 = 8,202,342.64 : x - Step 2: Convert to fraction form
14,728,438.08/20,324,677.68 = 8,202,342.64/x - Step 3: Cross multiply
14,728,438.08x = 20,324,677.68 × 8,202,342.64 - Step 4: Simplify right side
14,728,438.08x = 166,709,970,378,920.28 - Step 5: Solve for x
x = 166,709,970,378,920.28/14,728,438.08 - Step 6: Final answer
x = 11,318,917.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.