Finding the Fourth Proportional to 7,577,881.20, 11,370,661.20 and 3,318,091.20
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Solution
The fourth proportional to 7,577,881.20, 11,370,661.20 and 3,318,091.20 is: 4,978,817.94
Step by Step Solution
- Step 1: Write the proportion equation
7,577,881.20 : 11,370,661.20 = 3,318,091.20 : x - Step 2: Convert to fraction form
7,577,881.20/11,370,661.20 = 3,318,091.20/x - Step 3: Cross multiply
7,577,881.20x = 11,370,661.20 × 3,318,091.20 - Step 4: Simplify right side
7,577,881.20x = 37,728,890,865,901.44 - Step 5: Solve for x
x = 37,728,890,865,901.44/7,577,881.20 - Step 6: Final answer
x = 4,978,817.94
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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.