Finding the Fourth Proportional to 21,492,028.73, 32,251,260.10 and 8,535,912.68
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Solution
The fourth proportional to 21,492,028.73, 32,251,260.10 and 8,535,912.68 is: 12,809,118.37
Step by Step Solution
- Step 1: Write the proportion equation
21,492,028.73 : 32,251,260.10 = 8,535,912.68 : x - Step 2: Convert to fraction form
21,492,028.73/32,251,260.10 = 8,535,912.68/x - Step 3: Cross multiply
21,492,028.73x = 32,251,260.10 × 8,535,912.68 - Step 4: Simplify right side
21,492,028.73x = 275,293,940,033,568.06 - Step 5: Solve for x
x = 275,293,940,033,568.06/21,492,028.73 - Step 6: Final answer
x = 12,809,118.37
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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.