Finding the Fourth Proportional to 19,792,977.23, 27,315,440.99 and 11,093,960.55
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Solution
The fourth proportional to 19,792,977.23, 27,315,440.99 and 11,093,960.55 is: 15,310,300.28
Step by Step Solution
- Step 1: Write the proportion equation
19,792,977.23 : 27,315,440.99 = 11,093,960.55 : x - Step 2: Convert to fraction form
19,792,977.23/27,315,440.99 = 11,093,960.55/x - Step 3: Cross multiply
19,792,977.23x = 27,315,440.99 × 11,093,960.55 - Step 4: Simplify right side
19,792,977.23x = 303,036,424,693,443.12 - Step 5: Solve for x
x = 303,036,424,693,443.12/19,792,977.23 - Step 6: Final answer
x = 15,310,300.28
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1.5x scale
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.