Finding the Fourth Proportional to 19,965,115, 27,551,858.75 and 10,797,757.75
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Solution
The fourth proportional to 19,965,115, 27,551,858.75 and 10,797,757.75 is: 14,900,905.72
Step by Step Solution
- Step 1: Write the proportion equation
19,965,115 : 27,551,858.75 = 10,797,757.75 : x - Step 2: Convert to fraction form
19,965,115/27,551,858.75 = 10,797,757.75/x - Step 3: Cross multiply
19,965,115x = 27,551,858.75 × 10,797,757.75 - Step 4: Simplify right side
19,965,115x = 297,498,296,290,729.06 - Step 5: Solve for x
x = 297,498,296,290,729.06/19,965,115 - Step 6: Final answer
x = 14,900,905.72
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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.