Finding the Fourth Proportional to 5,434,163.10, 8,110,551.83 and 5,344,473.96
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Solution
The fourth proportional to 5,434,163.10, 8,110,551.83 and 5,344,473.96 is: 7,976,689.74
Step by Step Solution
- Step 1: Write the proportion equation
5,434,163.10 : 8,110,551.83 = 5,344,473.96 : x - Step 2: Convert to fraction form
5,434,163.10/8,110,551.83 = 5,344,473.96/x - Step 3: Cross multiply
5,434,163.10x = 8,110,551.83 × 5,344,473.96 - Step 4: Simplify right side
5,434,163.10x = 43,346,633,029,942.98 - Step 5: Solve for x
x = 43,346,633,029,942.98/5,434,163.10 - Step 6: Final answer
x = 7,976,689.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.