Finding the Fourth Proportional to 7,521,399.18, 11,287,577.21 and 2,729,474.42
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Solution
The fourth proportional to 7,521,399.18, 11,287,577.21 and 2,729,474.42 is: 4,096,199.72
Step by Step Solution
- Step 1: Write the proportion equation
7,521,399.18 : 11,287,577.21 = 2,729,474.42 : x - Step 2: Convert to fraction form
7,521,399.18/11,287,577.21 = 2,729,474.42/x - Step 3: Cross multiply
7,521,399.18x = 11,287,577.21 × 2,729,474.42 - Step 4: Simplify right side
7,521,399.18x = 30,809,153,188,384.71 - Step 5: Solve for x
x = 30,809,153,188,384.71/7,521,399.18 - Step 6: Final answer
x = 4,096,199.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.