Finding the Fourth Proportional to 38,474,349.30, 53,093,565.09 and 21,954,174.93
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Solution
The fourth proportional to 38,474,349.30, 53,093,565.09 and 21,954,174.93 is: 30,296,169.70
Step by Step Solution
- Step 1: Write the proportion equation
38,474,349.30 : 53,093,565.09 = 21,954,174.93 : x - Step 2: Convert to fraction form
38,474,349.30/53,093,565.09 = 21,954,174.93/x - Step 3: Cross multiply
38,474,349.30x = 53,093,565.09 × 21,954,174.93 - Step 4: Simplify right side
38,474,349.30x = 1,165,625,415,643,201.25 - Step 5: Solve for x
x = 1,165,625,415,643,201.25/38,474,349.30 - Step 6: Final answer
x = 30,296,169.70
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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.