Finding the Fourth Proportional to 19,972,892.26, 27,456,785.84 and 17,171,695.88
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Solution
The fourth proportional to 19,972,892.26, 27,456,785.84 and 17,171,695.88 is: 23,605,974.04
Step by Step Solution
- Step 1: Write the proportion equation
19,972,892.26 : 27,456,785.84 = 17,171,695.88 : x - Step 2: Convert to fraction form
19,972,892.26/27,456,785.84 = 17,171,695.88/x - Step 3: Cross multiply
19,972,892.26x = 27,456,785.84 × 17,171,695.88 - Step 4: Simplify right side
19,972,892.26x = 471,479,576,286,770.31 - Step 5: Solve for x
x = 471,479,576,286,770.31/19,972,892.26 - Step 6: Final answer
x = 23,605,974.04
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.