Finding the Fourth Proportional to 13,412,272.44, 20,118,415.14 and 4,436,824.44
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Solution
The fourth proportional to 13,412,272.44, 20,118,415.14 and 4,436,824.44 is: 6,655,238.80
Step by Step Solution
- Step 1: Write the proportion equation
13,412,272.44 : 20,118,415.14 = 4,436,824.44 : x - Step 2: Convert to fraction form
13,412,272.44/20,118,415.14 = 4,436,824.44/x - Step 3: Cross multiply
13,412,272.44x = 20,118,415.14 × 4,436,824.44 - Step 4: Simplify right side
13,412,272.44x = 89,261,875,987,218.03 - Step 5: Solve for x
x = 89,261,875,987,218.03/13,412,272.44 - Step 6: Final answer
x = 6,655,238.80
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1.5x scale
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.