Finding the Fourth Proportional to 18,723,213.60, 28,053,327.60 and 16,014,832.80
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Solution
The fourth proportional to 18,723,213.60, 28,053,327.60 and 16,014,832.80 is: 23,995,311.95
Step by Step Solution
- Step 1: Write the proportion equation
18,723,213.60 : 28,053,327.60 = 16,014,832.80 : x - Step 2: Convert to fraction form
18,723,213.60/28,053,327.60 = 16,014,832.80/x - Step 3: Cross multiply
18,723,213.60x = 28,053,327.60 × 16,014,832.80 - Step 4: Simplify right side
18,723,213.60x = 449,269,350,997,625.31 - Step 5: Solve for x
x = 449,269,350,997,625.31/18,723,213.60 - Step 6: Final answer
x = 23,995,311.95
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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.