Finding the Fourth Proportional to 27,027,517.97, 40,548,187.46 and 7,858,274.94
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Solution
The fourth proportional to 27,027,517.97, 40,548,187.46 and 7,858,274.94 is: 11,789,421.65
Step by Step Solution
- Step 1: Write the proportion equation
27,027,517.97 : 40,548,187.46 = 7,858,274.94 : x - Step 2: Convert to fraction form
27,027,517.97/40,548,187.46 = 7,858,274.94/x - Step 3: Cross multiply
27,027,517.97x = 40,548,187.46 × 7,858,274.94 - Step 4: Simplify right side
27,027,517.97x = 318,638,805,340,048.88 - Step 5: Solve for x
x = 318,638,805,340,048.88/27,027,517.97 - Step 6: Final answer
x = 11,789,421.65
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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.