Finding the Fourth Proportional to 19,965,115.13, 27,551,858.92 and 10,797,757.88
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Solution
The fourth proportional to 19,965,115.13, 27,551,858.92 and 10,797,757.88 is: 14,900,905.89
Step by Step Solution
- Step 1: Write the proportion equation
19,965,115.13 : 27,551,858.92 = 10,797,757.88 : x - Step 2: Convert to fraction form
19,965,115.13/27,551,858.92 = 10,797,757.88/x - Step 3: Cross multiply
19,965,115.13x = 27,551,858.92 × 10,797,757.88 - Step 4: Simplify right side
19,965,115.13x = 297,498,301,597,324.62 - Step 5: Solve for x
x = 297,498,301,597,324.62/19,965,115.13 - Step 6: Final answer
x = 14,900,905.89
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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.