Finding the Fourth Proportional to 28,768,704.93, 43,170,082.35 and 10,585,668.90
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Solution
The fourth proportional to 28,768,704.93, 43,170,082.35 and 10,585,668.90 is: 15,884,767.82
Step by Step Solution
- Step 1: Write the proportion equation
28,768,704.93 : 43,170,082.35 = 10,585,668.90 : x - Step 2: Convert to fraction form
28,768,704.93/43,170,082.35 = 10,585,668.90/x - Step 3: Cross multiply
28,768,704.93x = 43,170,082.35 × 10,585,668.90 - Step 4: Simplify right side
28,768,704.93x = 456,984,198,265,025.44 - Step 5: Solve for x
x = 456,984,198,265,025.44/28,768,704.93 - Step 6: Final answer
x = 15,884,767.82
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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.