Finding the Fourth Proportional to 32,539,944.40, 48,809,916.60 and 8,278,824.40
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Solution
The fourth proportional to 32,539,944.40, 48,809,916.60 and 8,278,824.40 is: 12,418,236.60
Step by Step Solution
- Step 1: Write the proportion equation
32,539,944.40 : 48,809,916.60 = 8,278,824.40 : x - Step 2: Convert to fraction form
32,539,944.40/48,809,916.60 = 8,278,824.40/x - Step 3: Cross multiply
32,539,944.40x = 48,809,916.60 × 8,278,824.40 - Step 4: Simplify right side
32,539,944.40x = 404,088,728,510,045.06 - Step 5: Solve for x
x = 404,088,728,510,045.06/32,539,944.40 - Step 6: Final answer
x = 12,418,236.60
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1.5x scale
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.