Finding the Fourth Proportional to 22,471,286.65, 33,649,905.97 and 12,362,486.65
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Solution
The fourth proportional to 22,471,286.65, 33,649,905.97 and 12,362,486.65 is: 18,512,358.45
Step by Step Solution
- Step 1: Write the proportion equation
22,471,286.65 : 33,649,905.97 = 12,362,486.65 : x - Step 2: Convert to fraction form
22,471,286.65/33,649,905.97 = 12,362,486.65/x - Step 3: Cross multiply
22,471,286.65x = 33,649,905.97 × 12,362,486.65 - Step 4: Simplify right side
22,471,286.65x = 415,996,513,327,880.31 - Step 5: Solve for x
x = 415,996,513,327,880.31/22,471,286.65 - Step 6: Final answer
x = 18,512,358.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.