Finding the Fourth Proportional to 8,422,625.99, 11,623,231.60 and 4,555,147.14
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Solution
The fourth proportional to 8,422,625.99, 11,623,231.60 and 4,555,147.14 is: 6,286,107.23
Step by Step Solution
- Step 1: Write the proportion equation
8,422,625.99 : 11,623,231.60 = 4,555,147.14 : x - Step 2: Convert to fraction form
8,422,625.99/11,623,231.60 = 4,555,147.14/x - Step 3: Cross multiply
8,422,625.99x = 11,623,231.60 × 4,555,147.14 - Step 4: Simplify right side
8,422,625.99x = 52,945,530,168,909.75 - Step 5: Solve for x
x = 52,945,530,168,909.75/8,422,625.99 - Step 6: Final answer
x = 6,286,107.23
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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.