Finding the Fourth Proportional to 18,015,797.93, 27,018,107.69 and 6,499,768.19
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Solution
The fourth proportional to 18,015,797.93, 27,018,107.69 and 6,499,768.19 is: 9,747,635.80
Step by Step Solution
- Step 1: Write the proportion equation
18,015,797.93 : 27,018,107.69 = 6,499,768.19 : x - Step 2: Convert to fraction form
18,015,797.93/27,018,107.69 = 6,499,768.19/x - Step 3: Cross multiply
18,015,797.93x = 27,018,107.69 × 6,499,768.19 - Step 4: Simplify right side
18,015,797.93x = 175,611,436,749,866.97 - Step 5: Solve for x
x = 175,611,436,749,866.97/18,015,797.93 - Step 6: Final answer
x = 9,747,635.80
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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.