Finding the Fourth Proportional to 18,245,188.96, 27,345,942.64 and 8,516,713.12
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Solution
The fourth proportional to 18,245,188.96, 27,345,942.64 and 8,516,713.12 is: 12,764,874.56
Step by Step Solution
- Step 1: Write the proportion equation
18,245,188.96 : 27,345,942.64 = 8,516,713.12 : x - Step 2: Convert to fraction form
18,245,188.96/27,345,942.64 = 8,516,713.12/x - Step 3: Cross multiply
18,245,188.96x = 27,345,942.64 × 8,516,713.12 - Step 4: Simplify right side
18,245,188.96x = 232,897,548,460,855.41 - Step 5: Solve for x
x = 232,897,548,460,855.41/18,245,188.96 - Step 6: Final answer
x = 12,764,874.56
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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.