Finding the Fourth Proportional to 18,362,022.60, 27,519,414.30 and 11,165,917.80
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Solution
The fourth proportional to 18,362,022.60, 27,519,414.30 and 11,165,917.80 is: 16,734,513.66
Step by Step Solution
- Step 1: Write the proportion equation
18,362,022.60 : 27,519,414.30 = 11,165,917.80 : x - Step 2: Convert to fraction form
18,362,022.60/27,519,414.30 = 11,165,917.80/x - Step 3: Cross multiply
18,362,022.60x = 27,519,414.30 × 11,165,917.80 - Step 4: Simplify right side
18,362,022.60x = 307,279,517,977,944.56 - Step 5: Solve for x
x = 307,279,517,977,944.56/18,362,022.60 - Step 6: Final answer
x = 16,734,513.66
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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.