Finding the Fourth Proportional to 18,087,816.98, 27,116,474.69 and 7,844,965.26
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Solution
The fourth proportional to 18,087,816.98, 27,116,474.69 and 7,844,965.26 is: 11,760,833.39
Step by Step Solution
- Step 1: Write the proportion equation
18,087,816.98 : 27,116,474.69 = 7,844,965.26 : x - Step 2: Convert to fraction form
18,087,816.98/27,116,474.69 = 7,844,965.26/x - Step 3: Cross multiply
18,087,816.98x = 27,116,474.69 × 7,844,965.26 - Step 4: Simplify right side
18,087,816.98x = 212,727,801,834,644.88 - Step 5: Solve for x
x = 212,727,801,834,644.88/18,087,816.98 - Step 6: Final answer
x = 11,760,833.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.