Finding the Fourth Proportional to 7,461,475.38, 11,192,213.07 and 2,070,126.72
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Solution
The fourth proportional to 7,461,475.38, 11,192,213.07 and 2,070,126.72 is: 3,105,190.08
Step by Step Solution
- Step 1: Write the proportion equation
7,461,475.38 : 11,192,213.07 = 2,070,126.72 : x - Step 2: Convert to fraction form
7,461,475.38/11,192,213.07 = 2,070,126.72/x - Step 3: Cross multiply
7,461,475.38x = 11,192,213.07 × 2,070,126.72 - Step 4: Simplify right side
7,461,475.38x = 23,169,299,332,140.23 - Step 5: Solve for x
x = 23,169,299,332,140.23/7,461,475.38 - Step 6: Final answer
x = 3,105,190.08
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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.