Finding the Fourth Proportional to 7,305,763.68, 10,081,267.56 and 4,946,161.68
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Solution
The fourth proportional to 7,305,763.68, 10,081,267.56 and 4,946,161.68 is: 6,825,238.47
Step by Step Solution
- Step 1: Write the proportion equation
7,305,763.68 : 10,081,267.56 = 4,946,161.68 : x - Step 2: Convert to fraction form
7,305,763.68/10,081,267.56 = 4,946,161.68/x - Step 3: Cross multiply
7,305,763.68x = 10,081,267.56 × 4,946,161.68 - Step 4: Simplify right side
7,305,763.68x = 49,863,579,291,099.10 - Step 5: Solve for x
x = 49,863,579,291,099.10/7,305,763.68 - Step 6: Final answer
x = 6,825,238.47
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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.