Finding the Fourth Proportional to 7,521,405.18, 11,287,586.22 and 2,729,480.40
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Solution
The fourth proportional to 7,521,405.18, 11,287,586.22 and 2,729,480.40 is: 4,096,208.70
Step by Step Solution
- Step 1: Write the proportion equation
7,521,405.18 : 11,287,586.22 = 2,729,480.40 : x - Step 2: Convert to fraction form
7,521,405.18/11,287,586.22 = 2,729,480.40/x - Step 3: Cross multiply
7,521,405.18x = 11,287,586.22 × 2,729,480.40 - Step 4: Simplify right side
7,521,405.18x = 30,809,245,350,800.09 - Step 5: Solve for x
x = 30,809,245,350,800.09/7,521,405.18 - Step 6: Final answer
x = 4,096,208.70
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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.