Finding the Fourth Proportional to 11,378,745.96, 17,068,136.22 and 4,647,159.96
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Solution
The fourth proportional to 11,378,745.96, 17,068,136.22 and 4,647,159.96 is: 6,970,747.00
Step by Step Solution
- Step 1: Write the proportion equation
11,378,745.96 : 17,068,136.22 = 4,647,159.96 : x - Step 2: Convert to fraction form
11,378,745.96/17,068,136.22 = 4,647,159.96/x - Step 3: Cross multiply
11,378,745.96x = 17,068,136.22 × 4,647,159.96 - Step 4: Simplify right side
11,378,745.96x = 79,318,359,233,409.75 - Step 5: Solve for x
x = 79,318,359,233,409.75/11,378,745.96 - Step 6: Final answer
x = 6,970,747.00
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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.