Finding the Fourth Proportional to 18,480,147.26, 27,700,673.24 and 6,960,630.20
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Solution
The fourth proportional to 18,480,147.26, 27,700,673.24 and 6,960,630.20 is: 10,433,582.58
Step by Step Solution
- Step 1: Write the proportion equation
18,480,147.26 : 27,700,673.24 = 6,960,630.20 : x - Step 2: Convert to fraction form
18,480,147.26/27,700,673.24 = 6,960,630.20/x - Step 3: Cross multiply
18,480,147.26x = 27,700,673.24 × 6,960,630.20 - Step 4: Simplify right side
18,480,147.26x = 192,814,142,541,369.34 - Step 5: Solve for x
x = 192,814,142,541,369.34/18,480,147.26 - Step 6: Final answer
x = 10,433,582.58
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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.