Finding the Fourth Proportional to 18,322,534.68, 27,485,243.46 and 4,859,362.68
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Solution
The fourth proportional to 18,322,534.68, 27,485,243.46 and 4,859,362.68 is: 7,289,426.31
Step by Step Solution
- Step 1: Write the proportion equation
18,322,534.68 : 27,485,243.46 = 4,859,362.68 : x - Step 2: Convert to fraction form
18,322,534.68/27,485,243.46 = 4,859,362.68/x - Step 3: Cross multiply
18,322,534.68x = 27,485,243.46 × 4,859,362.68 - Step 4: Simplify right side
18,322,534.68x = 133,560,766,320,238.06 - Step 5: Solve for x
x = 133,560,766,320,238.06/18,322,534.68 - Step 6: Final answer
x = 7,289,426.31
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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.