Finding the Fourth Proportional to 18,463,208.42, 27,670,057.00 and 14,369,472.70
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Solution
The fourth proportional to 18,463,208.42, 27,670,057.00 and 14,369,472.70 is: 21,534,942.34
Step by Step Solution
- Step 1: Write the proportion equation
18,463,208.42 : 27,670,057.00 = 14,369,472.70 : x - Step 2: Convert to fraction form
18,463,208.42/27,670,057.00 = 14,369,472.70/x - Step 3: Cross multiply
18,463,208.42x = 27,670,057.00 × 14,369,472.70 - Step 4: Simplify right side
18,463,208.42x = 397,604,128,566,517.31 - Step 5: Solve for x
x = 397,604,128,566,517.31/18,463,208.42 - Step 6: Final answer
x = 21,534,942.34
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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.