Finding the Fourth Proportional to 8,422,927.94, 11,623,640.48 and 4,555,448.99
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Solution
The fourth proportional to 8,422,927.94, 11,623,640.48 and 4,555,448.99 is: 6,286,519.56
Step by Step Solution
- Step 1: Write the proportion equation
8,422,927.94 : 11,623,640.48 = 4,555,448.99 : x - Step 2: Convert to fraction form
8,422,927.94/11,623,640.48 = 4,555,448.99/x - Step 3: Cross multiply
8,422,927.94x = 11,623,640.48 × 4,555,448.99 - Step 4: Simplify right side
8,422,927.94x = 52,950,901,284,739.12 - Step 5: Solve for x
x = 52,950,901,284,739.12/8,422,927.94 - Step 6: Final answer
x = 6,286,519.56
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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.