Finding the Fourth Proportional to 18,383,526.18, 27,579,424.11 and 5,605,322.58
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Solution
The fourth proportional to 18,383,526.18, 27,579,424.11 and 5,605,322.58 is: 8,409,244.62
Step by Step Solution
- Step 1: Write the proportion equation
18,383,526.18 : 27,579,424.11 = 5,605,322.58 : x - Step 2: Convert to fraction form
18,383,526.18/27,579,424.11 = 5,605,322.58/x - Step 3: Cross multiply
18,383,526.18x = 27,579,424.11 × 5,605,322.58 - Step 4: Simplify right side
18,383,526.18x = 154,591,568,707,179.41 - Step 5: Solve for x
x = 154,591,568,707,179.41/18,383,526.18 - Step 6: Final answer
x = 8,409,244.62
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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.