Finding the Fourth Proportional to 7,135,623.26, 9,847,232.20 and 3,872,466.18
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Solution
The fourth proportional to 7,135,623.26, 9,847,232.20 and 3,872,466.18 is: 5,344,042.46
Step by Step Solution
- Step 1: Write the proportion equation
7,135,623.26 : 9,847,232.20 = 3,872,466.18 : x - Step 2: Convert to fraction form
7,135,623.26/9,847,232.20 = 3,872,466.18/x - Step 3: Cross multiply
7,135,623.26x = 9,847,232.20 × 3,872,466.18 - Step 4: Simplify right side
7,135,623.26x = 38,133,073,661,106.99 - Step 5: Solve for x
x = 38,133,073,661,106.99/7,135,623.26 - Step 6: Final answer
x = 5,344,042.46
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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.