Finding the Fourth Proportional to 36,201,730.19, 49,957,336.17 and 20,522,209.05
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Solution
The fourth proportional to 36,201,730.19, 49,957,336.17 and 20,522,209.05 is: 28,320,052.42
Step by Step Solution
- Step 1: Write the proportion equation
36,201,730.19 : 49,957,336.17 = 20,522,209.05 : x - Step 2: Convert to fraction form
36,201,730.19/49,957,336.17 = 20,522,209.05/x - Step 3: Cross multiply
36,201,730.19x = 49,957,336.17 × 20,522,209.05 - Step 4: Simplify right side
36,201,730.19x = 1,025,234,896,461,866.38 - Step 5: Solve for x
x = 1,025,234,896,461,866.38/36,201,730.19 - Step 6: Final answer
x = 28,320,052.42
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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.