Finding the Fourth Proportional to 8,321,473.61, 12,483,382.91 and 2,564,672.79
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Solution
The fourth proportional to 8,321,473.61, 12,483,382.91 and 2,564,672.79 is: 3,847,370.55
Step by Step Solution
- Step 1: Write the proportion equation
8,321,473.61 : 12,483,382.91 = 2,564,672.79 : x - Step 2: Convert to fraction form
8,321,473.61/12,483,382.91 = 2,564,672.79/x - Step 3: Cross multiply
8,321,473.61x = 12,483,382.91 × 2,564,672.79 - Step 4: Simplify right side
8,321,473.61x = 32,015,792,463,604.65 - Step 5: Solve for x
x = 32,015,792,463,604.65/8,321,473.61 - Step 6: Final answer
x = 3,847,370.55
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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.