Finding the Fourth Proportional to 19,392,997.26, 26,762,542.36 and 10,691,481.26
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Solution
The fourth proportional to 19,392,997.26, 26,762,542.36 and 10,691,481.26 is: 14,754,357.79
Step by Step Solution
- Step 1: Write the proportion equation
19,392,997.26 : 26,762,542.36 = 10,691,481.26 : x - Step 2: Convert to fraction form
19,392,997.26/26,762,542.36 = 10,691,481.26/x - Step 3: Cross multiply
19,392,997.26x = 26,762,542.36 × 10,691,481.26 - Step 4: Simplify right side
19,392,997.26x = 286,131,220,111,896.19 - Step 5: Solve for x
x = 286,131,220,111,896.19/19,392,997.26 - Step 6: Final answer
x = 14,754,357.79
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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.