Finding the Fourth Proportional to 11,072,215.20, 16,608,322.80 and 8,202,433.80
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Solution
The fourth proportional to 11,072,215.20, 16,608,322.80 and 8,202,433.80 is: 12,303,650.70
Step by Step Solution
- Step 1: Write the proportion equation
11,072,215.20 : 16,608,322.80 = 8,202,433.80 : x - Step 2: Convert to fraction form
11,072,215.20/16,608,322.80 = 8,202,433.80/x - Step 3: Cross multiply
11,072,215.20x = 16,608,322.80 × 8,202,433.80 - Step 4: Simplify right side
11,072,215.20x = 136,228,668,296,030.64 - Step 5: Solve for x
x = 136,228,668,296,030.64/11,072,215.20 - Step 6: Final answer
x = 12,303,650.70
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1.5x scale
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.