Finding the Fourth Proportional to 7,652,081.80, 10,560,350.10 and 4,214,321.92
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Solution
The fourth proportional to 7,652,081.80, 10,560,350.10 and 4,214,321.92 is: 5,816,027.07
Step by Step Solution
- Step 1: Write the proportion equation
7,652,081.80 : 10,560,350.10 = 4,214,321.92 : x - Step 2: Convert to fraction form
7,652,081.80/10,560,350.10 = 4,214,321.92/x - Step 3: Cross multiply
7,652,081.80x = 10,560,350.10 × 4,214,321.92 - Step 4: Simplify right side
7,652,081.80x = 44,504,714,909,304.19 - Step 5: Solve for x
x = 44,504,714,909,304.19/7,652,081.80 - Step 6: Final answer
x = 5,816,027.07
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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.