Finding the Fourth Proportional to 8,412,355.26, 12,613,478.76 and 3,288,682.71
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Solution
The fourth proportional to 8,412,355.26, 12,613,478.76 and 3,288,682.71 is: 4,931,048.23
Step by Step Solution
- Step 1: Write the proportion equation
8,412,355.26 : 12,613,478.76 = 3,288,682.71 : x - Step 2: Convert to fraction form
8,412,355.26/12,613,478.76 = 3,288,682.71/x - Step 3: Cross multiply
8,412,355.26x = 12,613,478.76 × 3,288,682.71 - Step 4: Simplify right side
8,412,355.26x = 41,481,729,510,964.24 - Step 5: Solve for x
x = 41,481,729,510,964.24/8,412,355.26 - Step 6: Final answer
x = 4,931,048.23
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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.