Finding the Fourth Proportional to 16,135,231.60, 24,202,847.40 and 8,558,297.20
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Solution
The fourth proportional to 16,135,231.60, 24,202,847.40 and 8,558,297.20 is: 12,837,445.80
Step by Step Solution
- Step 1: Write the proportion equation
16,135,231.60 : 24,202,847.40 = 8,558,297.20 : x - Step 2: Convert to fraction form
16,135,231.60/24,202,847.40 = 8,558,297.20/x - Step 3: Cross multiply
16,135,231.60x = 24,202,847.40 × 8,558,297.20 - Step 4: Simplify right side
16,135,231.60x = 207,135,161,135,447.25 - Step 5: Solve for x
x = 207,135,161,135,447.25/16,135,231.60 - Step 6: Final answer
x = 12,837,445.80
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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.