Finding the Fourth Proportional to 16,396,472.80, 24,594,709.20 and 10,349,855.20
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Solution
The fourth proportional to 16,396,472.80, 24,594,709.20 and 10,349,855.20 is: 15,524,782.80
Step by Step Solution
- Step 1: Write the proportion equation
16,396,472.80 : 24,594,709.20 = 10,349,855.20 : x - Step 2: Convert to fraction form
16,396,472.80/24,594,709.20 = 10,349,855.20/x - Step 3: Cross multiply
16,396,472.80x = 24,594,709.20 × 10,349,855.20 - Step 4: Simplify right side
16,396,472.80x = 254,551,678,906,107.81 - Step 5: Solve for x
x = 254,551,678,906,107.81/16,396,472.80 - Step 6: Final answer
x = 15,524,782.80
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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.