Finding the Fourth Proportional to 18,259,862.20, 27,389,793.33 and 4,613,047.81
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Solution
The fourth proportional to 18,259,862.20, 27,389,793.33 and 4,613,047.81 is: 6,919,571.72
Step by Step Solution
- Step 1: Write the proportion equation
18,259,862.20 : 27,389,793.33 = 4,613,047.81 : x - Step 2: Convert to fraction form
18,259,862.20/27,389,793.33 = 4,613,047.81/x - Step 3: Cross multiply
18,259,862.20x = 27,389,793.33 × 4,613,047.81 - Step 4: Simplify right side
18,259,862.20x = 126,350,426,068,834.62 - Step 5: Solve for x
x = 126,350,426,068,834.62/18,259,862.20 - Step 6: Final answer
x = 6,919,571.72
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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.