Finding the Fourth Proportional to 19,435,882.97, 26,821,702.13 and 11,062,843.82
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Solution
The fourth proportional to 19,435,882.97, 26,821,702.13 and 11,062,843.82 is: 15,266,828.99
Step by Step Solution
- Step 1: Write the proportion equation
19,435,882.97 : 26,821,702.13 = 11,062,843.82 : x - Step 2: Convert to fraction form
19,435,882.97/26,821,702.13 = 11,062,843.82/x - Step 3: Cross multiply
19,435,882.97x = 26,821,702.13 × 11,062,843.82 - Step 4: Simplify right side
19,435,882.97x = 296,724,301,561,910 - Step 5: Solve for x
x = 296,724,301,561,910/19,435,882.97 - Step 6: Final answer
x = 15,266,828.99
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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.