Finding the Fourth Proportional to 11,626,717.22, 16,028,237.58 and 8,178,255.62
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Solution
The fourth proportional to 11,626,717.22, 16,028,237.58 and 8,178,255.62 is: 11,274,293.65
Step by Step Solution
- Step 1: Write the proportion equation
11,626,717.22 : 16,028,237.58 = 8,178,255.62 : x - Step 2: Convert to fraction form
11,626,717.22/16,028,237.58 = 8,178,255.62/x - Step 3: Cross multiply
11,626,717.22x = 16,028,237.58 × 8,178,255.62 - Step 4: Simplify right side
11,626,717.22x = 131,083,024,067,330.20 - Step 5: Solve for x
x = 131,083,024,067,330.20/11,626,717.22 - Step 6: Final answer
x = 11,274,293.65
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1.5x scale
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.