Finding the Fourth Proportional to 18,411,666.13, 27,586,245.56 and 11,109,782.26
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Solution
The fourth proportional to 18,411,666.13, 27,586,245.56 and 11,109,782.26 is: 16,645,814.63
Step by Step Solution
- Step 1: Write the proportion equation
18,411,666.13 : 27,586,245.56 = 11,109,782.26 : x - Step 2: Convert to fraction form
18,411,666.13/27,586,245.56 = 11,109,782.26/x - Step 3: Cross multiply
18,411,666.13x = 27,586,245.56 × 11,109,782.26 - Step 4: Simplify right side
18,411,666.13x = 306,477,181,404,560.56 - Step 5: Solve for x
x = 306,477,181,404,560.56/18,411,666.13 - Step 6: Final answer
x = 16,645,814.63
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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.