Finding the Fourth Proportional to 7,633,921.44, 11,450,874.84 and 1,954,136.64
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Solution
The fourth proportional to 7,633,921.44, 11,450,874.84 and 1,954,136.64 is: 2,931,203.09
Step by Step Solution
- Step 1: Write the proportion equation
7,633,921.44 : 11,450,874.84 = 1,954,136.64 : x - Step 2: Convert to fraction form
7,633,921.44/11,450,874.84 = 1,954,136.64/x - Step 3: Cross multiply
7,633,921.44x = 11,450,874.84 × 1,954,136.64 - Step 4: Simplify right side
7,633,921.44x = 22,376,574,084,898.14 - Step 5: Solve for x
x = 22,376,574,084,898.14/7,633,921.44 - Step 6: Final answer
x = 2,931,203.09
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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.