Finding the Fourth Proportional to 14,794,478.39, 20,417,010.72 and 8,268,107.67
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Solution
The fourth proportional to 14,794,478.39, 20,417,010.72 and 8,268,107.67 is: 11,410,340.98
Step by Step Solution
- Step 1: Write the proportion equation
14,794,478.39 : 20,417,010.72 = 8,268,107.67 : x - Step 2: Convert to fraction form
14,794,478.39/20,417,010.72 = 8,268,107.67/x - Step 3: Cross multiply
14,794,478.39x = 20,417,010.72 × 8,268,107.67 - Step 4: Simplify right side
14,794,478.39x = 168,810,042,932,504.22 - Step 5: Solve for x
x = 168,810,042,932,504.22/14,794,478.39 - Step 6: Final answer
x = 11,410,340.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.