Finding the Fourth Proportional to 10,552,349.54, 14,550,678.45 and 6,874,445.66
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Solution
The fourth proportional to 10,552,349.54, 14,550,678.45 and 6,874,445.66 is: 9,479,201.57
Step by Step Solution
- Step 1: Write the proportion equation
10,552,349.54 : 14,550,678.45 = 6,874,445.66 : x - Step 2: Convert to fraction form
10,552,349.54/14,550,678.45 = 6,874,445.66/x - Step 3: Cross multiply
10,552,349.54x = 14,550,678.45 × 6,874,445.66 - Step 4: Simplify right side
10,552,349.54x = 100,027,848,322,662.48 - Step 5: Solve for x
x = 100,027,848,322,662.48/10,552,349.54 - Step 6: Final answer
x = 9,479,201.57
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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.