Finding the Fourth Proportional to 18,365,843.64, 25,344,103.14 and 9,993,247.97
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Solution
The fourth proportional to 18,365,843.64, 25,344,103.14 and 9,993,247.97 is: 13,790,268.08
Step by Step Solution
- Step 1: Write the proportion equation
18,365,843.64 : 25,344,103.14 = 9,993,247.97 : x - Step 2: Convert to fraction form
18,365,843.64/25,344,103.14 = 9,993,247.97/x - Step 3: Cross multiply
18,365,843.64x = 25,344,103.14 × 9,993,247.97 - Step 4: Simplify right side
18,365,843.64x = 253,269,907,205,309.41 - Step 5: Solve for x
x = 253,269,907,205,309.41/18,365,843.64 - Step 6: Final answer
x = 13,790,268.08
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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.