Finding the Fourth Proportional to 10,751,912.56, 16,130,229.44 and 7,903,388.80
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Solution
The fourth proportional to 10,751,912.56, 16,130,229.44 and 7,903,388.80 is: 11,856,818.40
Step by Step Solution
- Step 1: Write the proportion equation
10,751,912.56 : 16,130,229.44 = 7,903,388.80 : x - Step 2: Convert to fraction form
10,751,912.56/16,130,229.44 = 7,903,388.80/x - Step 3: Cross multiply
10,751,912.56x = 16,130,229.44 × 7,903,388.80 - Step 4: Simplify right side
10,751,912.56x = 127,483,474,678,172.11 - Step 5: Solve for x
x = 127,483,474,678,172.11/10,751,912.56 - Step 6: Final answer
x = 11,856,818.40
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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.