Finding the Fourth Proportional to 31,397,351.64, 47,096,027.91 and 9,833,640.99
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Solution
The fourth proportional to 31,397,351.64, 47,096,027.91 and 9,833,640.99 is: 14,750,461.62
Step by Step Solution
- Step 1: Write the proportion equation
31,397,351.64 : 47,096,027.91 = 9,833,640.99 : x - Step 2: Convert to fraction form
31,397,351.64/47,096,027.91 = 9,833,640.99/x - Step 3: Cross multiply
31,397,351.64x = 47,096,027.91 × 9,833,640.99 - Step 4: Simplify right side
31,397,351.64x = 463,125,430,345,349.88 - Step 5: Solve for x
x = 463,125,430,345,349.88/31,397,351.64 - Step 6: Final answer
x = 14,750,461.62
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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.