Finding the Fourth Proportional to 10,288,469.80, 14,197,396.26 and 5,704,621.48
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Solution
The fourth proportional to 10,288,469.80, 14,197,396.26 and 5,704,621.48 is: 7,871,993.92
Step by Step Solution
- Step 1: Write the proportion equation
10,288,469.80 : 14,197,396.26 = 5,704,621.48 : x - Step 2: Convert to fraction form
10,288,469.80/14,197,396.26 = 5,704,621.48/x - Step 3: Cross multiply
10,288,469.80x = 14,197,396.26 × 5,704,621.48 - Step 4: Simplify right side
10,288,469.80x = 80,990,771,664,867.67 - Step 5: Solve for x
x = 80,990,771,664,867.67/10,288,469.80 - Step 6: Final answer
x = 7,871,993.92
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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.