Finding the Fourth Proportional to 11,558,481.21, 17,324,293.61 and 4,365,438.21
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Solution
The fourth proportional to 11,558,481.21, 17,324,293.61 and 4,365,438.21 is: 6,543,085.72
Step by Step Solution
- Step 1: Write the proportion equation
11,558,481.21 : 17,324,293.61 = 4,365,438.21 : x - Step 2: Convert to fraction form
11,558,481.21/17,324,293.61 = 4,365,438.21/x - Step 3: Cross multiply
11,558,481.21x = 17,324,293.61 × 4,365,438.21 - Step 4: Simplify right side
11,558,481.21x = 75,628,133,297,266.44 - Step 5: Solve for x
x = 75,628,133,297,266.44/11,558,481.21 - Step 6: Final answer
x = 6,543,085.72
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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.