Finding the Fourth Proportional to 18,463,279.93, 27,670,163.81 and 14,369,543.98
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Solution
The fourth proportional to 18,463,279.93, 27,670,163.81 and 14,369,543.98 is: 21,535,048.88
Step by Step Solution
- Step 1: Write the proportion equation
18,463,279.93 : 27,670,163.81 = 14,369,543.98 : x - Step 2: Convert to fraction form
18,463,279.93/27,670,163.81 = 14,369,543.98/x - Step 3: Cross multiply
18,463,279.93x = 27,670,163.81 × 14,369,543.98 - Step 4: Simplify right side
18,463,279.93x = 397,607,635,741,404.94 - Step 5: Solve for x
x = 397,607,635,741,404.94/18,463,279.93 - Step 6: Final answer
x = 21,535,048.88
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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.