Finding the Fourth Proportional to 7,163,132.16, 10,744,698.24 and 4,912,446.72
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Solution
The fourth proportional to 7,163,132.16, 10,744,698.24 and 4,912,446.72 is: 7,368,670.08
Step by Step Solution
- Step 1: Write the proportion equation
7,163,132.16 : 10,744,698.24 = 4,912,446.72 : x - Step 2: Convert to fraction form
7,163,132.16/10,744,698.24 = 4,912,446.72/x - Step 3: Cross multiply
7,163,132.16x = 10,744,698.24 × 4,912,446.72 - Step 4: Simplify right side
7,163,132.16x = 52,782,757,626,477.77 - Step 5: Solve for x
x = 52,782,757,626,477.77/7,163,132.16 - Step 6: Final answer
x = 7,368,670.08
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Double scale
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Similar ratio
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1.5x scale
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.