Finding the Fourth Proportional to 18,729,014.68, 28,093,522.03 and 5,265,842.68
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Solution
The fourth proportional to 18,729,014.68, 28,093,522.03 and 5,265,842.68 is: 7,898,764.02
Step by Step Solution
- Step 1: Write the proportion equation
18,729,014.68 : 28,093,522.03 = 5,265,842.68 : x - Step 2: Convert to fraction form
18,729,014.68/28,093,522.03 = 5,265,842.68/x - Step 3: Cross multiply
18,729,014.68x = 28,093,522.03 × 5,265,842.68 - Step 4: Simplify right side
18,729,014.68x = 147,936,067,310,765 - Step 5: Solve for x
x = 147,936,067,310,765/18,729,014.68 - Step 6: Final answer
x = 7,898,764.02
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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.