Finding the Fourth Proportional to 10,838,771.48, 14,956,129.90 and 5,942,705.19
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Solution
The fourth proportional to 10,838,771.48, 14,956,129.90 and 5,942,705.19 is: 8,200,179.42
Step by Step Solution
- Step 1: Write the proportion equation
10,838,771.48 : 14,956,129.90 = 5,942,705.19 : x - Step 2: Convert to fraction form
10,838,771.48/14,956,129.90 = 5,942,705.19/x - Step 3: Cross multiply
10,838,771.48x = 14,956,129.90 × 5,942,705.19 - Step 4: Simplify right side
10,838,771.48x = 88,879,870,764,187.42 - Step 5: Solve for x
x = 88,879,870,764,187.42/10,838,771.48 - Step 6: Final answer
x = 8,200,179.42
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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.