Finding the Fourth Proportional to 8,519,787.99, 12,770,215.92 and 6,491,344.58
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Solution
The fourth proportional to 8,519,787.99, 12,770,215.92 and 6,491,344.58 is: 9,729,804.54
Step by Step Solution
- Step 1: Write the proportion equation
8,519,787.99 : 12,770,215.92 = 6,491,344.58 : x - Step 2: Convert to fraction form
8,519,787.99/12,770,215.92 = 6,491,344.58/x - Step 3: Cross multiply
8,519,787.99x = 12,770,215.92 × 6,491,344.58 - Step 4: Simplify right side
8,519,787.99x = 82,895,871,881,758.95 - Step 5: Solve for x
x = 82,895,871,881,758.95/8,519,787.99 - Step 6: Final answer
x = 9,729,804.54
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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.