Finding the Fourth Proportional to 18,463,280.43, 27,670,164.56 and 14,369,544.48
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Solution
The fourth proportional to 18,463,280.43, 27,670,164.56 and 14,369,544.48 is: 21,535,049.63
Step by Step Solution
- Step 1: Write the proportion equation
18,463,280.43 : 27,670,164.56 = 14,369,544.48 : x - Step 2: Convert to fraction form
18,463,280.43/27,670,164.56 = 14,369,544.48/x - Step 3: Cross multiply
18,463,280.43x = 27,670,164.56 × 14,369,544.48 - Step 4: Simplify right side
18,463,280.43x = 397,607,660,413,839.62 - Step 5: Solve for x
x = 397,607,660,413,839.62/18,463,280.43 - Step 6: Final answer
x = 21,535,049.63
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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.