Finding the Fourth Proportional to 7,184,282.10, 9,914,168.70 and 3,921,120.24
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Solution
The fourth proportional to 7,184,282.10, 9,914,168.70 and 3,921,120.24 is: 5,411,069.19
Step by Step Solution
- Step 1: Write the proportion equation
7,184,282.10 : 9,914,168.70 = 3,921,120.24 : x - Step 2: Convert to fraction form
7,184,282.10/9,914,168.70 = 3,921,120.24/x - Step 3: Cross multiply
7,184,282.10x = 9,914,168.70 × 3,921,120.24 - Step 4: Simplify right side
7,184,282.10x = 38,874,647,552,344.48 - Step 5: Solve for x
x = 38,874,647,552,344.48/7,184,282.10 - Step 6: Final answer
x = 5,411,069.19
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1.5x scale
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.