Finding the Fourth Proportional to 18,060,912.08, 27,085,069.56 and 7,958,021.84
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Solution
The fourth proportional to 18,060,912.08, 27,085,069.56 and 7,958,021.84 is: 11,934,257.48
Step by Step Solution
- Step 1: Write the proportion equation
18,060,912.08 : 27,085,069.56 = 7,958,021.84 : x - Step 2: Convert to fraction form
18,060,912.08/27,085,069.56 = 7,958,021.84/x - Step 3: Cross multiply
18,060,912.08x = 27,085,069.56 × 7,958,021.84 - Step 4: Simplify right side
18,060,912.08x = 215,543,575,096,399.19 - Step 5: Solve for x
x = 215,543,575,096,399.19/18,060,912.08 - Step 6: Final answer
x = 11,934,257.48
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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.