Finding the Fourth Proportional to 16,574,415.30, 24,819,632.55 and 13,215,183.30
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Solution
The fourth proportional to 16,574,415.30, 24,819,632.55 and 13,215,183.30 is: 19,789,294.99
Step by Step Solution
- Step 1: Write the proportion equation
16,574,415.30 : 24,819,632.55 = 13,215,183.30 : x - Step 2: Convert to fraction form
16,574,415.30/24,819,632.55 = 13,215,183.30/x - Step 3: Cross multiply
16,574,415.30x = 24,819,632.55 × 13,215,183.30 - Step 4: Simplify right side
16,574,415.30x = 327,995,993,586,896.44 - Step 5: Solve for x
x = 327,995,993,586,896.44/16,574,415.30 - Step 6: Final answer
x = 19,789,294.99
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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.