Finding the Fourth Proportional to 7,562,021.80, 11,332,664.70 and 4,858,047.40
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Solution
The fourth proportional to 7,562,021.80, 11,332,664.70 and 4,858,047.40 is: 7,280,410.42
Step by Step Solution
- Step 1: Write the proportion equation
7,562,021.80 : 11,332,664.70 = 4,858,047.40 : x - Step 2: Convert to fraction form
7,562,021.80/11,332,664.70 = 4,858,047.40/x - Step 3: Cross multiply
7,562,021.80x = 11,332,664.70 × 4,858,047.40 - Step 4: Simplify right side
7,562,021.80x = 55,054,622,280,906.78 - Step 5: Solve for x
x = 55,054,622,280,906.78/7,562,021.80 - Step 6: Final answer
x = 7,280,410.42
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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.