Finding the Fourth Proportional to 11,713,124.20, 17,571,321.11 and 4,888,132.94
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Solution
The fourth proportional to 11,713,124.20, 17,571,321.11 and 4,888,132.94 is: 7,332,881.65
Step by Step Solution
- Step 1: Write the proportion equation
11,713,124.20 : 17,571,321.11 = 4,888,132.94 : x - Step 2: Convert to fraction form
11,713,124.20/17,571,321.11 = 4,888,132.94/x - Step 3: Cross multiply
11,713,124.20x = 17,571,321.11 × 4,888,132.94 - Step 4: Simplify right side
11,713,124.20x = 85,890,953,536,596 - Step 5: Solve for x
x = 85,890,953,536,596/11,713,124.20 - Step 6: Final answer
x = 7,332,881.65
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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.