Finding the Fourth Proportional to 11,943,433.46, 17,912,197.49 and 5,119,232.75
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Solution
The fourth proportional to 11,943,433.46, 17,912,197.49 and 5,119,232.75 is: 7,677,583.53
Step by Step Solution
- Step 1: Write the proportion equation
11,943,433.46 : 17,912,197.49 = 5,119,232.75 : x - Step 2: Convert to fraction form
11,943,433.46/17,912,197.49 = 5,119,232.75/x - Step 3: Cross multiply
11,943,433.46x = 17,912,197.49 × 5,119,232.75 - Step 4: Simplify right side
11,943,433.46x = 91,696,707,989,679.62 - Step 5: Solve for x
x = 91,696,707,989,679.62/11,943,433.46 - Step 6: Final answer
x = 7,677,583.53
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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.