Finding the Fourth Proportional to 11,946,668.24, 17,920,067.16 and 2,971,220.24
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Solution
The fourth proportional to 11,946,668.24, 17,920,067.16 and 2,971,220.24 is: 4,456,846.48
Step by Step Solution
- Step 1: Write the proportion equation
11,946,668.24 : 17,920,067.16 = 2,971,220.24 : x - Step 2: Convert to fraction form
11,946,668.24/17,920,067.16 = 2,971,220.24/x - Step 3: Cross multiply
11,946,668.24x = 17,920,067.16 × 2,971,220.24 - Step 4: Simplify right side
11,946,668.24x = 53,244,466,247,951.32 - Step 5: Solve for x
x = 53,244,466,247,951.32/11,946,668.24 - Step 6: Final answer
x = 4,456,846.48
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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.