Finding the Fourth Proportional to 55,306,942.24, 82,958,049.84 and 18,918,586.40
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Solution
The fourth proportional to 55,306,942.24, 82,958,049.84 and 18,918,586.40 is: 28,377,071.12
Step by Step Solution
- Step 1: Write the proportion equation
55,306,942.24 : 82,958,049.84 = 18,918,586.40 : x - Step 2: Convert to fraction form
55,306,942.24/82,958,049.84 = 18,918,586.40/x - Step 3: Cross multiply
55,306,942.24x = 82,958,049.84 × 18,918,586.40 - Step 4: Simplify right side
55,306,942.24x = 1,569,449,033,473,546 - Step 5: Solve for x
x = 1,569,449,033,473,546/55,306,942.24 - Step 6: Final answer
x = 28,377,071.12
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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.