Finding the Fourth Proportional to 18,195,173.10, 27,218,110.05 and 16,403,582.70
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Solution
The fourth proportional to 18,195,173.10, 27,218,110.05 and 16,403,582.70 is: 24,538,074.83
Step by Step Solution
- Step 1: Write the proportion equation
18,195,173.10 : 27,218,110.05 = 16,403,582.70 : x - Step 2: Convert to fraction form
18,195,173.10/27,218,110.05 = 16,403,582.70/x - Step 3: Cross multiply
18,195,173.10x = 27,218,110.05 × 16,403,582.70 - Step 4: Simplify right side
18,195,173.10x = 446,474,519,142,876.12 - Step 5: Solve for x
x = 446,474,519,142,876.12/18,195,173.10 - Step 6: Final answer
x = 24,538,074.83
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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.