Finding the Fourth Proportional to 18,463,685.99, 27,670,770.78 and 14,369,950.04
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Solution
The fourth proportional to 18,463,685.99, 27,670,770.78 and 14,369,950.04 is: 21,535,656.20
Step by Step Solution
- Step 1: Write the proportion equation
18,463,685.99 : 27,670,770.78 = 14,369,950.04 : x - Step 2: Convert to fraction form
18,463,685.99/27,670,770.78 = 14,369,950.04/x - Step 3: Cross multiply
18,463,685.99x = 27,670,770.78 × 14,369,950.04 - Step 4: Simplify right side
18,463,685.99x = 397,627,593,680,721.44 - Step 5: Solve for x
x = 397,627,593,680,721.44/18,463,685.99 - Step 6: Final answer
x = 21,535,656.20
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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.