Finding the Fourth Proportional to 25,611,318.90, 38,399,913.27 and 14,102,205.84
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Solution
The fourth proportional to 25,611,318.90, 38,399,913.27 and 14,102,205.84 is: 21,143,912.32
Step by Step Solution
- Step 1: Write the proportion equation
25,611,318.90 : 38,399,913.27 = 14,102,205.84 : x - Step 2: Convert to fraction form
25,611,318.90/38,399,913.27 = 14,102,205.84/x - Step 3: Cross multiply
25,611,318.90x = 38,399,913.27 × 14,102,205.84 - Step 4: Simplify right side
25,611,318.90x = 541,523,481,171,687.56 - Step 5: Solve for x
x = 541,523,481,171,687.56/25,611,318.90 - Step 6: Final answer
x = 21,143,912.32
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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.