Finding the Fourth Proportional to 33,259,593.80, 49,852,065.90 and 18,889,545.80
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Solution
The fourth proportional to 33,259,593.80, 49,852,065.90 and 18,889,545.80 is: 28,313,120.35
Step by Step Solution
- Step 1: Write the proportion equation
33,259,593.80 : 49,852,065.90 = 18,889,545.80 : x - Step 2: Convert to fraction form
33,259,593.80/49,852,065.90 = 18,889,545.80/x - Step 3: Cross multiply
33,259,593.80x = 49,852,065.90 × 18,889,545.80 - Step 4: Simplify right side
33,259,593.80x = 941,682,882,042,668.25 - Step 5: Solve for x
x = 941,682,882,042,668.25/33,259,593.80 - Step 6: Final answer
x = 28,313,120.35
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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.