Finding the Fourth Proportional to 18,717,161.25, 27,994,691.64 and 11,022,464.19
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Solution
The fourth proportional to 18,717,161.25, 27,994,691.64 and 11,022,464.19 is: 16,485,966.11
Step by Step Solution
- Step 1: Write the proportion equation
18,717,161.25 : 27,994,691.64 = 11,022,464.19 : x - Step 2: Convert to fraction form
18,717,161.25/27,994,691.64 = 11,022,464.19/x - Step 3: Cross multiply
18,717,161.25x = 27,994,691.64 × 11,022,464.19 - Step 4: Simplify right side
18,717,161.25x = 308,570,486,111,992.38 - Step 5: Solve for x
x = 308,570,486,111,992.38/18,717,161.25 - Step 6: Final answer
x = 16,485,966.11
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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.