Finding the Fourth Proportional to 8,169,122.21, 12,255,013.26 and 2,412,438.10
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Solution
The fourth proportional to 8,169,122.21, 12,255,013.26 and 2,412,438.10 is: 3,619,049.90
Step by Step Solution
- Step 1: Write the proportion equation
8,169,122.21 : 12,255,013.26 = 2,412,438.10 : x - Step 2: Convert to fraction form
8,169,122.21/12,255,013.26 = 2,412,438.10/x - Step 3: Cross multiply
8,169,122.21x = 12,255,013.26 × 2,412,438.10 - Step 4: Simplify right side
8,169,122.21x = 29,564,460,873,791.68 - Step 5: Solve for x
x = 29,564,460,873,791.68/8,169,122.21 - Step 6: Final answer
x = 3,619,049.90
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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.