Finding the Fourth Proportional to 34,591,628.36, 47,734,958.84 and 18,910,354.44
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Solution
The fourth proportional to 34,591,628.36, 47,734,958.84 and 18,910,354.44 is: 26,095,475.51
Step by Step Solution
- Step 1: Write the proportion equation
34,591,628.36 : 47,734,958.84 = 18,910,354.44 : x - Step 2: Convert to fraction form
34,591,628.36/47,734,958.84 = 18,910,354.44/x - Step 3: Cross multiply
34,591,628.36x = 47,734,958.84 × 18,910,354.44 - Step 4: Simplify right side
34,591,628.36x = 902,684,990,843,211.38 - Step 5: Solve for x
x = 902,684,990,843,211.38/34,591,628.36 - Step 6: Final answer
x = 26,095,475.51
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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.