Finding the Fourth Proportional to 16,171,270.20, 24,251,000.40 and 5,388,922.80
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Solution
The fourth proportional to 16,171,270.20, 24,251,000.40 and 5,388,922.80 is: 8,081,416.45
Step by Step Solution
- Step 1: Write the proportion equation
16,171,270.20 : 24,251,000.40 = 5,388,922.80 : x - Step 2: Convert to fraction form
16,171,270.20/24,251,000.40 = 5,388,922.80/x - Step 3: Cross multiply
16,171,270.20x = 24,251,000.40 × 5,388,922.80 - Step 4: Simplify right side
16,171,270.20x = 130,686,768,978,369.11 - Step 5: Solve for x
x = 130,686,768,978,369.11/16,171,270.20 - Step 6: Final answer
x = 8,081,416.45
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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.