Finding the Fourth Proportional to 22,259,243.38, 30,746,570.61 and 18,407,324.02
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Solution
The fourth proportional to 22,259,243.38, 30,746,570.61 and 18,407,324.02 is: 25,425,935.56
Step by Step Solution
- Step 1: Write the proportion equation
22,259,243.38 : 30,746,570.61 = 18,407,324.02 : x - Step 2: Convert to fraction form
22,259,243.38/30,746,570.61 = 18,407,324.02/x - Step 3: Cross multiply
22,259,243.38x = 30,746,570.61 × 18,407,324.02 - Step 4: Simplify right side
22,259,243.38x = 565,962,087,722,079 - Step 5: Solve for x
x = 565,962,087,722,079/22,259,243.38 - Step 6: Final answer
x = 25,425,935.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.