Finding the Fourth Proportional to 18,326,114.33, 27,463,635.23 and 13,771,845.18
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Solution
The fourth proportional to 18,326,114.33, 27,463,635.23 and 13,771,845.18 is: 20,638,577.59
Step by Step Solution
- Step 1: Write the proportion equation
18,326,114.33 : 27,463,635.23 = 13,771,845.18 : x - Step 2: Convert to fraction form
18,326,114.33/27,463,635.23 = 13,771,845.18/x - Step 3: Cross multiply
18,326,114.33x = 27,463,635.23 × 13,771,845.18 - Step 4: Simplify right side
18,326,114.33x = 378,224,932,398,694.50 - Step 5: Solve for x
x = 378,224,932,398,694.50/18,326,114.33 - Step 6: Final answer
x = 20,638,577.59
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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.