Finding the Fourth Proportional to 18,085,840.96, 24,952,287.78 and 11,207,813.44
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Solution
The fourth proportional to 18,085,840.96, 24,952,287.78 and 11,207,813.44 is: 15,462,957.29
Step by Step Solution
- Step 1: Write the proportion equation
18,085,840.96 : 24,952,287.78 = 11,207,813.44 : x - Step 2: Convert to fraction form
18,085,840.96/24,952,287.78 = 11,207,813.44/x - Step 3: Cross multiply
18,085,840.96x = 24,952,287.78 × 11,207,813.44 - Step 4: Simplify right side
18,085,840.96x = 279,660,586,339,431.75 - Step 5: Solve for x
x = 279,660,586,339,431.75/18,085,840.96 - Step 6: Final answer
x = 15,462,957.29
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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.