Finding the Fourth Proportional to 18,302,298.44, 27,453,642.06 and 5,522,915.48
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Solution
The fourth proportional to 18,302,298.44, 27,453,642.06 and 5,522,915.48 is: 8,284,431.88
Step by Step Solution
- Step 1: Write the proportion equation
18,302,298.44 : 27,453,642.06 = 5,522,915.48 : x - Step 2: Convert to fraction form
18,302,298.44/27,453,642.06 = 5,522,915.48/x - Step 3: Cross multiply
18,302,298.44x = 27,453,642.06 × 5,522,915.48 - Step 4: Simplify right side
18,302,298.44x = 151,624,144,715,553.09 - Step 5: Solve for x
x = 151,624,144,715,553.09/18,302,298.44 - Step 6: Final answer
x = 8,284,431.88
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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.