Finding the Fourth Proportional to 18,383,527.68, 27,579,426.36 and 5,605,324.08
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Solution
The fourth proportional to 18,383,527.68, 27,579,426.36 and 5,605,324.08 is: 8,409,246.87
Step by Step Solution
- Step 1: Write the proportion equation
18,383,527.68 : 27,579,426.36 = 5,605,324.08 : x - Step 2: Convert to fraction form
18,383,527.68/27,579,426.36 = 5,605,324.08/x - Step 3: Cross multiply
18,383,527.68x = 27,579,426.36 × 5,605,324.08 - Step 4: Simplify right side
18,383,527.68x = 154,591,622,688,294.75 - Step 5: Solve for x
x = 154,591,622,688,294.75/18,383,527.68 - Step 6: Final answer
x = 8,409,246.87
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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.