Finding the Fourth Proportional to 11,275,450.37, 15,560,121.63 and 6,118,811.92
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Solution
The fourth proportional to 11,275,450.37, 15,560,121.63 and 6,118,811.92 is: 8,443,960.51
Step by Step Solution
- Step 1: Write the proportion equation
11,275,450.37 : 15,560,121.63 = 6,118,811.92 : x - Step 2: Convert to fraction form
11,275,450.37/15,560,121.63 = 6,118,811.92/x - Step 3: Cross multiply
11,275,450.37x = 15,560,121.63 × 6,118,811.92 - Step 4: Simplify right side
11,275,450.37x = 95,209,457,667,393.53 - Step 5: Solve for x
x = 95,209,457,667,393.53/11,275,450.37 - Step 6: Final answer
x = 8,443,960.51
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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.