Finding the Fourth Proportional to 10,869,198.08, 16,303,786.58 and 2,782,160.71
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Solution
The fourth proportional to 10,869,198.08, 16,303,786.58 and 2,782,160.71 is: 4,173,238.37
Step by Step Solution
- Step 1: Write the proportion equation
10,869,198.08 : 16,303,786.58 = 2,782,160.71 : x - Step 2: Convert to fraction form
10,869,198.08/16,303,786.58 = 2,782,160.71/x - Step 3: Cross multiply
10,869,198.08x = 16,303,786.58 × 2,782,160.71 - Step 4: Simplify right side
10,869,198.08x = 45,359,754,413,297.20 - Step 5: Solve for x
x = 45,359,754,413,297.20/10,869,198.08 - Step 6: Final answer
x = 4,173,238.37
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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.