Finding the Fourth Proportional to 21,581,617.62, 29,783,033.11 and 11,792,695.84
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Solution
The fourth proportional to 21,581,617.62, 29,783,033.11 and 11,792,695.84 is: 16,274,139.26
Step by Step Solution
- Step 1: Write the proportion equation
21,581,617.62 : 29,783,033.11 = 11,792,695.84 : x - Step 2: Convert to fraction form
21,581,617.62/29,783,033.11 = 11,792,695.84/x - Step 3: Cross multiply
21,581,617.62x = 29,783,033.11 × 11,792,695.84 - Step 4: Simplify right side
21,581,617.62x = 351,222,250,599,162.56 - Step 5: Solve for x
x = 351,222,250,599,162.56/21,581,617.62 - Step 6: Final answer
x = 16,274,139.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.