Finding the Fourth Proportional to 7,576,894.50, 11,369,825.76 and 2,787,946.79
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Solution
The fourth proportional to 7,576,894.50, 11,369,825.76 and 2,787,946.79 is: 4,183,570.09
Step by Step Solution
- Step 1: Write the proportion equation
7,576,894.50 : 11,369,825.76 = 2,787,946.79 : x - Step 2: Convert to fraction form
7,576,894.50/11,369,825.76 = 2,787,946.79/x - Step 3: Cross multiply
7,576,894.50x = 11,369,825.76 × 2,787,946.79 - Step 4: Simplify right side
7,576,894.50x = 31,698,469,230,451.31 - Step 5: Solve for x
x = 31,698,469,230,451.31/7,576,894.50 - Step 6: Final answer
x = 4,183,570.09
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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.