Finding the Fourth Proportional to 7,703,600.87, 10,630,975.99 and 4,265,768.09
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Solution
The fourth proportional to 7,703,600.87, 10,630,975.99 and 4,265,768.09 is: 5,886,763.72
Step by Step Solution
- Step 1: Write the proportion equation
7,703,600.87 : 10,630,975.99 = 4,265,768.09 : x - Step 2: Convert to fraction form
7,703,600.87/10,630,975.99 = 4,265,768.09/x - Step 3: Cross multiply
7,703,600.87x = 10,630,975.99 × 4,265,768.09 - Step 4: Simplify right side
7,703,600.87x = 45,349,278,159,611.19 - Step 5: Solve for x
x = 45,349,278,159,611.19/7,703,600.87 - Step 6: Final answer
x = 5,886,763.72
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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.