Finding the Fourth Proportional to 10,586,922.21, 15,878,880.36 and 3,397,524.21
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Solution
The fourth proportional to 10,586,922.21, 15,878,880.36 and 3,397,524.21 is: 5,095,803.99
Step by Step Solution
- Step 1: Write the proportion equation
10,586,922.21 : 15,878,880.36 = 3,397,524.21 : x - Step 2: Convert to fraction form
10,586,922.21/15,878,880.36 = 3,397,524.21/x - Step 3: Cross multiply
10,586,922.21x = 15,878,880.36 × 3,397,524.21 - Step 4: Simplify right side
10,586,922.21x = 53,948,880,450,793.52 - Step 5: Solve for x
x = 53,948,880,450,793.52/10,586,922.21 - Step 6: Final answer
x = 5,095,803.99
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1.5x scale
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.