Finding the Fourth Proportional to 32,879,437.11, 45,373,174.52 and 18,194,208.66
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Solution
The fourth proportional to 32,879,437.11, 45,373,174.52 and 18,194,208.66 is: 25,107,759.66
Step by Step Solution
- Step 1: Write the proportion equation
32,879,437.11 : 45,373,174.52 = 18,194,208.66 : x - Step 2: Convert to fraction form
32,879,437.11/45,373,174.52 = 18,194,208.66/x - Step 3: Cross multiply
32,879,437.11x = 45,373,174.52 × 18,194,208.66 - Step 4: Simplify right side
32,879,437.11x = 825,529,004,692,504.38 - Step 5: Solve for x
x = 825,529,004,692,504.38/32,879,437.11 - Step 6: Final answer
x = 25,107,759.66
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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.