Finding the Fourth Proportional to 18,480,148.26, 27,700,674.73 and 6,960,631.20
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Solution
The fourth proportional to 18,480,148.26, 27,700,674.73 and 6,960,631.20 is: 10,433,584.09
Step by Step Solution
- Step 1: Write the proportion equation
18,480,148.26 : 27,700,674.73 = 6,960,631.20 : x - Step 2: Convert to fraction form
18,480,148.26/27,700,674.73 = 6,960,631.20/x - Step 3: Cross multiply
18,480,148.26x = 27,700,674.73 × 6,960,631.20 - Step 4: Simplify right side
18,480,148.26x = 192,814,180,786,689.59 - Step 5: Solve for x
x = 192,814,180,786,689.59/18,480,148.26 - Step 6: Final answer
x = 10,433,584.09
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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.