Finding the Fourth Proportional to 11,197,601.92, 15,451,704.90 and 6,235,668.40
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Solution
The fourth proportional to 11,197,601.92, 15,451,704.90 and 6,235,668.40 is: 8,604,673.45
Step by Step Solution
- Step 1: Write the proportion equation
11,197,601.92 : 15,451,704.90 = 6,235,668.40 : x - Step 2: Convert to fraction form
11,197,601.92/15,451,704.90 = 6,235,668.40/x - Step 3: Cross multiply
11,197,601.92x = 15,451,704.90 × 6,235,668.40 - Step 4: Simplify right side
11,197,601.92x = 96,351,707,971,055.17 - Step 5: Solve for x
x = 96,351,707,971,055.17/11,197,601.92 - Step 6: Final answer
x = 8,604,673.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.