Finding the Fourth Proportional to 33,591,491.21, 46,356,144.20 and 18,907,148.99
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Solution
The fourth proportional to 33,591,491.21, 46,356,144.20 and 18,907,148.99 is: 26,091,801.61
Step by Step Solution
- Step 1: Write the proportion equation
33,591,491.21 : 46,356,144.20 = 18,907,148.99 : x - Step 2: Convert to fraction form
33,591,491.21/46,356,144.20 = 18,907,148.99/x - Step 3: Cross multiply
33,591,491.21x = 46,356,144.20 × 18,907,148.99 - Step 4: Simplify right side
33,591,491.21x = 876,462,524,665,007.88 - Step 5: Solve for x
x = 876,462,524,665,007.88/33,591,491.21 - Step 6: Final answer
x = 26,091,801.61
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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.