Finding the Fourth Proportional to 11,416,879.89, 17,129,126.76 and 7,593,774.26
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Solution
The fourth proportional to 11,416,879.89, 17,129,126.76 and 7,593,774.26 is: 11,393,193.50
Step by Step Solution
- Step 1: Write the proportion equation
11,416,879.89 : 17,129,126.76 = 7,593,774.26 : x - Step 2: Convert to fraction form
11,416,879.89/17,129,126.76 = 7,593,774.26/x - Step 3: Cross multiply
11,416,879.89x = 17,129,126.76 × 7,593,774.26 - Step 4: Simplify right side
11,416,879.89x = 130,074,721,836,477.14 - Step 5: Solve for x
x = 130,074,721,836,477.14/11,416,879.89 - Step 6: Final answer
x = 11,393,193.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.