Finding the Fourth Proportional to 8,245,651.05, 11,378,994.05 and 4,524,506.50
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Solution
The fourth proportional to 8,245,651.05, 11,378,994.05 and 4,524,506.50 is: 6,243,816.55
Step by Step Solution
- Step 1: Write the proportion equation
8,245,651.05 : 11,378,994.05 = 4,524,506.50 : x - Step 2: Convert to fraction form
8,245,651.05/11,378,994.05 = 4,524,506.50/x - Step 3: Cross multiply
8,245,651.05x = 11,378,994.05 × 4,524,506.50 - Step 4: Simplify right side
8,245,651.05x = 51,484,332,525,550.10 - Step 5: Solve for x
x = 51,484,332,525,550.10/8,245,651.05 - Step 6: Final answer
x = 6,243,816.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.