Finding the Fourth Proportional to 18,324,642.98, 27,463,053.27 and 10,237,291.94
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Solution
The fourth proportional to 18,324,642.98, 27,463,053.27 and 10,237,291.94 is: 15,342,579.62
Step by Step Solution
- Step 1: Write the proportion equation
18,324,642.98 : 27,463,053.27 = 10,237,291.94 : x - Step 2: Convert to fraction form
18,324,642.98/27,463,053.27 = 10,237,291.94/x - Step 3: Cross multiply
18,324,642.98x = 27,463,053.27 × 10,237,291.94 - Step 4: Simplify right side
18,324,642.98x = 281,147,293,888,761.62 - Step 5: Solve for x
x = 281,147,293,888,761.62/18,324,642.98 - Step 6: Final answer
x = 15,342,579.62
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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.