Finding the Fourth Proportional to 8,658,850.84, 11,950,475.62 and 4,987,052.76
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Solution
The fourth proportional to 8,658,850.84, 11,950,475.62 and 4,987,052.76 is: 6,882,859.35
Step by Step Solution
- Step 1: Write the proportion equation
8,658,850.84 : 11,950,475.62 = 4,987,052.76 : x - Step 2: Convert to fraction form
8,658,850.84/11,950,475.62 = 4,987,052.76/x - Step 3: Cross multiply
8,658,850.84x = 11,950,475.62 × 4,987,052.76 - Step 4: Simplify right side
8,658,850.84x = 59,597,652,424,033.70 - Step 5: Solve for x
x = 59,597,652,424,033.70/8,658,850.84 - Step 6: Final answer
x = 6,882,859.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.