Finding the Fourth Proportional to 11,767,876.75, 17,651,992.73 and 4,481,739.91
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Solution
The fourth proportional to 11,767,876.75, 17,651,992.73 and 4,481,739.91 is: 6,722,677.50
Step by Step Solution
- Step 1: Write the proportion equation
11,767,876.75 : 17,651,992.73 = 4,481,739.91 : x - Step 2: Convert to fraction form
11,767,876.75/17,651,992.73 = 4,481,739.91/x - Step 3: Cross multiply
11,767,876.75x = 17,651,992.73 × 4,481,739.91 - Step 4: Simplify right side
11,767,876.75x = 79,111,640,250,108.64 - Step 5: Solve for x
x = 79,111,640,250,108.64/11,767,876.75 - Step 6: Final answer
x = 6,722,677.50
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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.