Finding the Fourth Proportional to 7,047,531.20, 10,571,296.80 and 6,235,716.80
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Solution
The fourth proportional to 7,047,531.20, 10,571,296.80 and 6,235,716.80 is: 9,353,575.20
Step by Step Solution
- Step 1: Write the proportion equation
7,047,531.20 : 10,571,296.80 = 6,235,716.80 : x - Step 2: Convert to fraction form
7,047,531.20/10,571,296.80 = 6,235,716.80/x - Step 3: Cross multiply
7,047,531.20x = 10,571,296.80 × 6,235,716.80 - Step 4: Simplify right side
7,047,531.20x = 65,919,613,053,546.24 - Step 5: Solve for x
x = 65,919,613,053,546.24/7,047,531.20 - Step 6: Final answer
x = 9,353,575.20
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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.