Finding the Fourth Proportional to 21,347,183.58, 29,458,761.67 and 11,557,549.50
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Solution
The fourth proportional to 21,347,183.58, 29,458,761.67 and 11,557,549.50 is: 15,949,227.91
Step by Step Solution
- Step 1: Write the proportion equation
21,347,183.58 : 29,458,761.67 = 11,557,549.50 : x - Step 2: Convert to fraction form
21,347,183.58/29,458,761.67 = 11,557,549.50/x - Step 3: Cross multiply
21,347,183.58x = 29,458,761.67 × 11,557,549.50 - Step 4: Simplify right side
21,347,183.58x = 340,471,096,048,693 - Step 5: Solve for x
x = 340,471,096,048,693/21,347,183.58 - Step 6: Final answer
x = 15,949,227.91
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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.