Finding the Fourth Proportional to 36,102,431.92, 49,821,063.24 and 19,582,515.40
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Solution
The fourth proportional to 36,102,431.92, 49,821,063.24 and 19,582,515.40 is: 27,023,712.43
Step by Step Solution
- Step 1: Write the proportion equation
36,102,431.92 : 49,821,063.24 = 19,582,515.40 : x - Step 2: Convert to fraction form
36,102,431.92/49,821,063.24 = 19,582,515.40/x - Step 3: Cross multiply
36,102,431.92x = 49,821,063.24 × 19,582,515.40 - Step 4: Simplify right side
36,102,431.92x = 975,621,738,141,673.88 - Step 5: Solve for x
x = 975,621,738,141,673.88/36,102,431.92 - Step 6: Final answer
x = 27,023,712.43
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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.