Finding the Fourth Proportional to 18,347,578.24, 27,366,571.04 and 15,932,430.40
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Solution
The fourth proportional to 18,347,578.24, 27,366,571.04 and 15,932,430.40 is: 23,764,225.59
Step by Step Solution
- Step 1: Write the proportion equation
18,347,578.24 : 27,366,571.04 = 15,932,430.40 : x - Step 2: Convert to fraction form
18,347,578.24/27,366,571.04 = 15,932,430.40/x - Step 3: Cross multiply
18,347,578.24x = 27,366,571.04 × 15,932,430.40 - Step 4: Simplify right side
18,347,578.24x = 436,015,988,381,455.62 - Step 5: Solve for x
x = 436,015,988,381,455.62/18,347,578.24 - Step 6: Final answer
x = 23,764,225.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.