Finding the Fourth Proportional to 16,840,468.35, 23,234,540.72 and 10,307,286.99
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Solution
The fourth proportional to 16,840,468.35, 23,234,540.72 and 10,307,286.99 is: 14,220,808.72
Step by Step Solution
- Step 1: Write the proportion equation
16,840,468.35 : 23,234,540.72 = 10,307,286.99 : x - Step 2: Convert to fraction form
16,840,468.35/23,234,540.72 = 10,307,286.99/x - Step 3: Cross multiply
16,840,468.35x = 23,234,540.72 × 10,307,286.99 - Step 4: Simplify right side
16,840,468.35x = 239,485,079,230,344.81 - Step 5: Solve for x
x = 239,485,079,230,344.81/16,840,468.35 - Step 6: Final answer
x = 14,220,808.72
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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.