Finding the Fourth Proportional to 33,358,981.44, 46,035,042.73 and 18,674,768.46
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Solution
The fourth proportional to 33,358,981.44, 46,035,042.73 and 18,674,768.46 is: 25,770,983.61
Step by Step Solution
- Step 1: Write the proportion equation
33,358,981.44 : 46,035,042.73 = 18,674,768.46 : x - Step 2: Convert to fraction form
33,358,981.44/46,035,042.73 = 18,674,768.46/x - Step 3: Cross multiply
33,358,981.44x = 46,035,042.73 × 18,674,768.46 - Step 4: Simplify right side
33,358,981.44x = 859,693,764,028,956.25 - Step 5: Solve for x
x = 859,693,764,028,956.25/33,358,981.44 - Step 6: Final answer
x = 25,770,983.61
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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.