Finding the Fourth Proportional to 18,535,186.23, 27,807,410.21 and 13,080,930.57
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Solution
The fourth proportional to 18,535,186.23, 27,807,410.21 and 13,080,930.57 is: 19,624,664.02
Step by Step Solution
- Step 1: Write the proportion equation
18,535,186.23 : 27,807,410.21 = 13,080,930.57 : x - Step 2: Convert to fraction form
18,535,186.23/27,807,410.21 = 13,080,930.57/x - Step 3: Cross multiply
18,535,186.23x = 27,807,410.21 × 13,080,930.57 - Step 4: Simplify right side
18,535,186.23x = 363,746,802,223,114.44 - Step 5: Solve for x
x = 363,746,802,223,114.44/18,535,186.23 - Step 6: Final answer
x = 19,624,664.02
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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.