Finding the Fourth Proportional to 11,880,112.44, 16,394,561.88 and 6,447,604.44
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Solution
The fourth proportional to 11,880,112.44, 16,394,561.88 and 6,447,604.44 is: 8,897,697.77
Step by Step Solution
- Step 1: Write the proportion equation
11,880,112.44 : 16,394,561.88 = 6,447,604.44 : x - Step 2: Convert to fraction form
11,880,112.44/16,394,561.88 = 6,447,604.44/x - Step 3: Cross multiply
11,880,112.44x = 16,394,561.88 × 6,447,604.44 - Step 4: Simplify right side
11,880,112.44x = 105,705,649,969,342.77 - Step 5: Solve for x
x = 105,705,649,969,342.77/11,880,112.44 - Step 6: Final answer
x = 8,897,697.77
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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.