Finding the Fourth Proportional to 11,546,286.48, 15,934,135.32 and 7,478,984.88
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Solution
The fourth proportional to 11,546,286.48, 15,934,135.32 and 7,478,984.88 is: 10,321,167.53
Step by Step Solution
- Step 1: Write the proportion equation
11,546,286.48 : 15,934,135.32 = 7,478,984.88 : x - Step 2: Convert to fraction form
11,546,286.48/15,934,135.32 = 7,478,984.88/x - Step 3: Cross multiply
11,546,286.48x = 15,934,135.32 × 7,478,984.88 - Step 4: Simplify right side
11,546,286.48x = 119,171,157,134,153.97 - Step 5: Solve for x
x = 119,171,157,134,153.97/11,546,286.48 - Step 6: Final answer
x = 10,321,167.53
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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.