Finding the Fourth Proportional to 7,727,614.40, 11,591,421.60 and 6,135,089.60
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Solution
The fourth proportional to 7,727,614.40, 11,591,421.60 and 6,135,089.60 is: 9,202,634.40
Step by Step Solution
- Step 1: Write the proportion equation
7,727,614.40 : 11,591,421.60 = 6,135,089.60 : x - Step 2: Convert to fraction form
7,727,614.40/11,591,421.60 = 6,135,089.60/x - Step 3: Cross multiply
7,727,614.40x = 11,591,421.60 × 6,135,089.60 - Step 4: Simplify right side
7,727,614.40x = 71,114,410,107,375.36 - Step 5: Solve for x
x = 71,114,410,107,375.36/7,727,614.40 - Step 6: Final answer
x = 9,202,634.40
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1.5x scale
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.