Finding the Fourth Proportional to 14,422,438.75, 19,902,912.41 and 8,227,474.44
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Solution
The fourth proportional to 14,422,438.75, 19,902,912.41 and 8,227,474.44 is: 11,353,884.46
Step by Step Solution
- Step 1: Write the proportion equation
14,422,438.75 : 19,902,912.41 = 8,227,474.44 : x - Step 2: Convert to fraction form
14,422,438.75/19,902,912.41 = 8,227,474.44/x - Step 3: Cross multiply
14,422,438.75x = 19,902,912.41 × 8,227,474.44 - Step 4: Simplify right side
14,422,438.75x = 163,750,703,134,833.81 - Step 5: Solve for x
x = 163,750,703,134,833.81/14,422,438.75 - Step 6: Final answer
x = 11,353,884.46
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1.5x scale
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.