Finding the Fourth Proportional to 16,128,808.40, 24,193,212.60 and 4,161,544.40
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Solution
The fourth proportional to 16,128,808.40, 24,193,212.60 and 4,161,544.40 is: 6,242,316.60
Step by Step Solution
- Step 1: Write the proportion equation
16,128,808.40 : 24,193,212.60 = 4,161,544.40 : x - Step 2: Convert to fraction form
16,128,808.40/24,193,212.60 = 4,161,544.40/x - Step 3: Cross multiply
16,128,808.40x = 24,193,212.60 × 4,161,544.40 - Step 4: Simplify right side
16,128,808.40x = 100,681,128,413,539.44 - Step 5: Solve for x
x = 100,681,128,413,539.44/16,128,808.40 - Step 6: Final answer
x = 6,242,316.60
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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.