Finding the Fourth Proportional to 6,954,909.42, 9,586,689.05 and 5,482,418.26
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Solution
The fourth proportional to 6,954,909.42, 9,586,689.05 and 5,482,418.26 is: 7,556,998.36
Step by Step Solution
- Step 1: Write the proportion equation
6,954,909.42 : 9,586,689.05 = 5,482,418.26 : x - Step 2: Convert to fraction form
6,954,909.42/9,586,689.05 = 5,482,418.26/x - Step 3: Cross multiply
6,954,909.42x = 9,586,689.05 × 5,482,418.26 - Step 4: Simplify right side
6,954,909.42x = 52,558,239,100,662.05 - Step 5: Solve for x
x = 52,558,239,100,662.05/6,954,909.42 - Step 6: Final answer
x = 7,556,998.36
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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.