Finding the Fourth Proportional to 15,550,806.40, 23,324,634.66 and 4,192,403.20
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Solution
The fourth proportional to 15,550,806.40, 23,324,634.66 and 4,192,403.20 is: 6,288,180.21
Step by Step Solution
- Step 1: Write the proportion equation
15,550,806.40 : 23,324,634.66 = 4,192,403.20 : x - Step 2: Convert to fraction form
15,550,806.40/23,324,634.66 = 4,192,403.20/x - Step 3: Cross multiply
15,550,806.40x = 23,324,634.66 × 4,192,403.20 - Step 4: Simplify right side
15,550,806.40x = 97,786,272,987,414.92 - Step 5: Solve for x
x = 97,786,272,987,414.92/15,550,806.40 - Step 6: Final answer
x = 6,288,180.21
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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.