Finding the Fourth Proportional to 36,221,037.10, 49,985,391.81 and 19,701,545.97
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Solution
The fourth proportional to 36,221,037.10, 49,985,391.81 and 19,701,545.97 is: 27,188,329.58
Step by Step Solution
- Step 1: Write the proportion equation
36,221,037.10 : 49,985,391.81 = 19,701,545.97 : x - Step 2: Convert to fraction form
36,221,037.10/49,985,391.81 = 19,701,545.97/x - Step 3: Cross multiply
36,221,037.10x = 49,985,391.81 × 19,701,545.97 - Step 4: Simplify right side
36,221,037.10x = 984,789,494,573,176.50 - Step 5: Solve for x
x = 984,789,494,573,176.50/36,221,037.10 - Step 6: Final answer
x = 27,188,329.58
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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.