Finding the Fourth Proportional to 76,914,687.39, 115,372,326.91 and 18,622,268.27
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Solution
The fourth proportional to 76,914,687.39, 115,372,326.91 and 18,622,268.27 is: 27,933,474.03
Step by Step Solution
- Step 1: Write the proportion equation
76,914,687.39 : 115,372,326.91 = 18,622,268.27 : x - Step 2: Convert to fraction form
76,914,687.39/115,372,326.91 = 18,622,268.27/x - Step 3: Cross multiply
76,914,687.39x = 115,372,326.91 × 18,622,268.27 - Step 4: Simplify right side
76,914,687.39x = 2,148,494,422,559,048.75 - Step 5: Solve for x
x = 2,148,494,422,559,048.75/76,914,687.39 - Step 6: Final answer
x = 27,933,474.03
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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.