Finding the Fourth Proportional to 10,054,122.48, 13,876,112.16 and 5,704,286.40
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Solution
The fourth proportional to 10,054,122.48, 13,876,112.16 and 5,704,286.40 is: 7,872,722.66
Step by Step Solution
- Step 1: Write the proportion equation
10,054,122.48 : 13,876,112.16 = 5,704,286.40 : x - Step 2: Convert to fraction form
10,054,122.48/13,876,112.16 = 5,704,286.40/x - Step 3: Cross multiply
10,054,122.48x = 13,876,112.16 × 5,704,286.40 - Step 4: Simplify right side
10,054,122.48x = 79,153,317,879,162.62 - Step 5: Solve for x
x = 79,153,317,879,162.62/10,054,122.48 - Step 6: Final answer
x = 7,872,722.66
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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.