Finding the Fourth Proportional to 7,703,601.87, 10,630,977.37 and 4,265,769.09
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Solution
The fourth proportional to 7,703,601.87, 10,630,977.37 and 4,265,769.09 is: 5,886,765.10
Step by Step Solution
- Step 1: Write the proportion equation
7,703,601.87 : 10,630,977.37 = 4,265,769.09 : x - Step 2: Convert to fraction form
7,703,601.87/10,630,977.37 = 4,265,769.09/x - Step 3: Cross multiply
7,703,601.87x = 10,630,977.37 × 4,265,769.09 - Step 4: Simplify right side
7,703,601.87x = 45,349,294,661,435.48 - Step 5: Solve for x
x = 45,349,294,661,435.48/7,703,601.87 - Step 6: Final answer
x = 5,886,765.10
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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.