Finding the Fourth Proportional to 7,571,491.80, 11,357,237.70 and 3,526,635.30
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Solution
The fourth proportional to 7,571,491.80, 11,357,237.70 and 3,526,635.30 is: 5,289,952.95
Step by Step Solution
- Step 1: Write the proportion equation
7,571,491.80 : 11,357,237.70 = 3,526,635.30 : x - Step 2: Convert to fraction form
7,571,491.80/11,357,237.70 = 3,526,635.30/x - Step 3: Cross multiply
7,571,491.80x = 11,357,237.70 × 3,526,635.30 - Step 4: Simplify right side
7,571,491.80x = 40,052,835,383,310.80 - Step 5: Solve for x
x = 40,052,835,383,310.80/7,571,491.80 - Step 6: Final answer
x = 5,289,952.95
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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.