Finding the Fourth Proportional to 7,633,916.42, 11,450,867.33 and 1,954,131.62
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Solution
The fourth proportional to 7,633,916.42, 11,450,867.33 and 1,954,131.62 is: 2,931,195.56
Step by Step Solution
- Step 1: Write the proportion equation
7,633,916.42 : 11,450,867.33 = 1,954,131.62 : x - Step 2: Convert to fraction form
7,633,916.42/11,450,867.33 = 1,954,131.62/x - Step 3: Cross multiply
7,633,916.42x = 11,450,867.33 × 1,954,131.62 - Step 4: Simplify right side
7,633,916.42x = 22,376,501,873,608.96 - Step 5: Solve for x
x = 22,376,501,873,608.96/7,633,916.42 - Step 6: Final answer
x = 2,931,195.56
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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.