Finding the Fourth Proportional to 18,463,686.99, 27,670,772.28 and 14,369,951.04
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Solution
The fourth proportional to 18,463,686.99, 27,670,772.28 and 14,369,951.04 is: 21,535,657.70
Step by Step Solution
- Step 1: Write the proportion equation
18,463,686.99 : 27,670,772.28 = 14,369,951.04 : x - Step 2: Convert to fraction form
18,463,686.99/27,670,772.28 = 14,369,951.04/x - Step 3: Cross multiply
18,463,686.99x = 27,670,772.28 × 14,369,951.04 - Step 4: Simplify right side
18,463,686.99x = 397,627,642,902,589.19 - Step 5: Solve for x
x = 397,627,642,902,589.19/18,463,686.99 - Step 6: Final answer
x = 21,535,657.70
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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.