Finding the Fourth Proportional to 17,324,734.20, 25,987,101.30 and 15,813,079.80
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Solution
The fourth proportional to 17,324,734.20, 25,987,101.30 and 15,813,079.80 is: 23,719,619.70
Step by Step Solution
- Step 1: Write the proportion equation
17,324,734.20 : 25,987,101.30 = 15,813,079.80 : x - Step 2: Convert to fraction form
17,324,734.20/25,987,101.30 = 15,813,079.80/x - Step 3: Cross multiply
17,324,734.20x = 25,987,101.30 × 15,813,079.80 - Step 4: Simplify right side
17,324,734.20x = 410,936,106,627,583.75 - Step 5: Solve for x
x = 410,936,106,627,583.75/17,324,734.20 - Step 6: Final answer
x = 23,719,619.70
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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.