Finding the Fourth Proportional to 16,922,134.40, 25,397,716.80 and 6,831,996.80
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Solution
The fourth proportional to 16,922,134.40, 25,397,716.80 and 6,831,996.80 is: 10,253,855.44
Step by Step Solution
- Step 1: Write the proportion equation
16,922,134.40 : 25,397,716.80 = 6,831,996.80 : x - Step 2: Convert to fraction form
16,922,134.40/25,397,716.80 = 6,831,996.80/x - Step 3: Cross multiply
16,922,134.40x = 25,397,716.80 × 6,831,996.80 - Step 4: Simplify right side
16,922,134.40x = 173,517,119,904,906.25 - Step 5: Solve for x
x = 173,517,119,904,906.25/16,922,134.40 - Step 6: Final answer
x = 10,253,855.44
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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.