Finding the Fourth Proportional to 11,792,817.81, 17,689,989.44 and 3,706,131.08
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Solution
The fourth proportional to 11,792,817.81, 17,689,989.44 and 3,706,131.08 is: 5,559,436.31
Step by Step Solution
- Step 1: Write the proportion equation
11,792,817.81 : 17,689,989.44 = 3,706,131.08 : x - Step 2: Convert to fraction form
11,792,817.81/17,689,989.44 = 3,706,131.08/x - Step 3: Cross multiply
11,792,817.81x = 17,689,989.44 × 3,706,131.08 - Step 4: Simplify right side
11,792,817.81x = 65,561,419,561,475.19 - Step 5: Solve for x
x = 65,561,419,561,475.19/11,792,817.81 - Step 6: Final answer
x = 5,559,436.31
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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.