Finding the Fourth Proportional to 7,466,107.70, 11,201,235.15 and 3,208,315.70
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Solution
The fourth proportional to 7,466,107.70, 11,201,235.15 and 3,208,315.70 is: 4,813,364.61
Step by Step Solution
- Step 1: Write the proportion equation
7,466,107.70 : 11,201,235.15 = 3,208,315.70 : x - Step 2: Convert to fraction form
7,466,107.70/11,201,235.15 = 3,208,315.70/x - Step 3: Cross multiply
7,466,107.70x = 11,201,235.15 × 3,208,315.70 - Step 4: Simplify right side
7,466,107.70x = 35,937,098,591,136.86 - Step 5: Solve for x
x = 35,937,098,591,136.86/7,466,107.70 - Step 6: Final answer
x = 4,813,364.61
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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.