Finding the Fourth Proportional to 31,902,344.92, 44,025,415.28 and 18,151,309.05
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Solution
The fourth proportional to 31,902,344.92, 44,025,415.28 and 18,151,309.05 is: 25,048,908.50
Step by Step Solution
- Step 1: Write the proportion equation
31,902,344.92 : 44,025,415.28 = 18,151,309.05 : x - Step 2: Convert to fraction form
31,902,344.92/44,025,415.28 = 18,151,309.05/x - Step 3: Cross multiply
31,902,344.92x = 44,025,415.28 × 18,151,309.05 - Step 4: Simplify right side
31,902,344.92x = 799,118,918,801,872.38 - Step 5: Solve for x
x = 799,118,918,801,872.38/31,902,344.92 - Step 6: Final answer
x = 25,048,908.50
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1.5x scale
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.