Finding the Fourth Proportional to 12,505,247.68, 18,757,842.36 and 8,214,382.84
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Solution
The fourth proportional to 12,505,247.68, 18,757,842.36 and 8,214,382.84 is: 12,321,555.11
Step by Step Solution
- Step 1: Write the proportion equation
12,505,247.68 : 18,757,842.36 = 8,214,382.84 : x - Step 2: Convert to fraction form
12,505,247.68/18,757,842.36 = 8,214,382.84/x - Step 3: Cross multiply
12,505,247.68x = 18,757,842.36 × 8,214,382.84 - Step 4: Simplify right side
12,505,247.68x = 154,084,098,397,409.09 - Step 5: Solve for x
x = 154,084,098,397,409.09/12,505,247.68 - Step 6: Final answer
x = 12,321,555.11
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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.