Finding the Fourth Proportional to 18,373,490.40, 27,560,235.60 and 16,354,014.60
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Solution
The fourth proportional to 18,373,490.40, 27,560,235.60 and 16,354,014.60 is: 24,531,021.90
Step by Step Solution
- Step 1: Write the proportion equation
18,373,490.40 : 27,560,235.60 = 16,354,014.60 : x - Step 2: Convert to fraction form
18,373,490.40/27,560,235.60 = 16,354,014.60/x - Step 3: Cross multiply
18,373,490.40x = 27,560,235.60 × 16,354,014.60 - Step 4: Simplify right side
18,373,490.40x = 450,720,495,381,839.75 - Step 5: Solve for x
x = 450,720,495,381,839.75/18,373,490.40 - Step 6: Final answer
x = 24,531,021.90
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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.