Finding the Fourth Proportional to 11,314,913.68, 15,614,912.46 and 6,158,609.20
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Solution
The fourth proportional to 11,314,913.68, 15,614,912.46 and 6,158,609.20 is: 8,499,061.17
Step by Step Solution
- Step 1: Write the proportion equation
11,314,913.68 : 15,614,912.46 = 6,158,609.20 : x - Step 2: Convert to fraction form
11,314,913.68/15,614,912.46 = 6,158,609.20/x - Step 3: Cross multiply
11,314,913.68x = 15,614,912.46 × 6,158,609.20 - Step 4: Simplify right side
11,314,913.68x = 96,166,143,533,350.64 - Step 5: Solve for x
x = 96,166,143,533,350.64/11,314,913.68 - Step 6: Final answer
x = 8,499,061.17
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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.