Finding the Fourth Proportional to 10,380,049.36, 14,324,902.93 and 5,969,777.96
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Solution
The fourth proportional to 10,380,049.36, 14,324,902.93 and 5,969,777.96 is: 8,238,543.66
Step by Step Solution
- Step 1: Write the proportion equation
10,380,049.36 : 14,324,902.93 = 5,969,777.96 : x - Step 2: Convert to fraction form
10,380,049.36/14,324,902.93 = 5,969,777.96/x - Step 3: Cross multiply
10,380,049.36x = 14,324,902.93 × 5,969,777.96 - Step 4: Simplify right side
10,380,049.36x = 85,516,489,817,134.92 - Step 5: Solve for x
x = 85,516,489,817,134.92/10,380,049.36 - Step 6: Final answer
x = 8,238,543.66
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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.