Finding the Fourth Proportional to 18,383,526.68, 27,579,424.86 and 5,605,323.08
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Solution
The fourth proportional to 18,383,526.68, 27,579,424.86 and 5,605,323.08 is: 8,409,245.37
Step by Step Solution
- Step 1: Write the proportion equation
18,383,526.68 : 27,579,424.86 = 5,605,323.08 : x - Step 2: Convert to fraction form
18,383,526.68/27,579,424.86 = 5,605,323.08/x - Step 3: Cross multiply
18,383,526.68x = 27,579,424.86 × 5,605,323.08 - Step 4: Simplify right side
18,383,526.68x = 154,591,586,700,883.78 - Step 5: Solve for x
x = 154,591,586,700,883.78/18,383,526.68 - Step 6: Final answer
x = 8,409,245.37
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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.