Finding the Fourth Proportional to 32,463,434.40, 48,691,465.20 and 8,531,325.60
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Solution
The fourth proportional to 32,463,434.40, 48,691,465.20 and 8,531,325.60 is: 12,796,019.62
Step by Step Solution
- Step 1: Write the proportion equation
32,463,434.40 : 48,691,465.20 = 8,531,325.60 : x - Step 2: Convert to fraction form
32,463,434.40/48,691,465.20 = 8,531,325.60/x - Step 3: Cross multiply
32,463,434.40x = 48,691,465.20 × 8,531,325.60 - Step 4: Simplify right side
32,463,434.40x = 415,402,743,562,269.12 - Step 5: Solve for x
x = 415,402,743,562,269.12/32,463,434.40 - Step 6: Final answer
x = 12,796,019.62
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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.