Finding the Fourth Proportional to 29,434,236.89, 44,147,986.47 and 7,870,520.09
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Solution
The fourth proportional to 29,434,236.89, 44,147,986.47 and 7,870,520.09 is: 11,804,879.33
Step by Step Solution
- Step 1: Write the proportion equation
29,434,236.89 : 44,147,986.47 = 7,870,520.09 : x - Step 2: Convert to fraction form
29,434,236.89/44,147,986.47 = 7,870,520.09/x - Step 3: Cross multiply
29,434,236.89x = 44,147,986.47 × 7,870,520.09 - Step 4: Simplify right side
29,434,236.89x = 347,467,614,561,052.44 - Step 5: Solve for x
x = 347,467,614,561,052.44/29,434,236.89 - Step 6: Final answer
x = 11,804,879.33
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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.