Finding the Fourth Proportional to 8,299,653.15, 12,449,468.69 and 2,234,391.53
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Solution
The fourth proportional to 8,299,653.15, 12,449,468.69 and 2,234,391.53 is: 3,351,584.32
Step by Step Solution
- Step 1: Write the proportion equation
8,299,653.15 : 12,449,468.69 = 2,234,391.53 : x - Step 2: Convert to fraction form
8,299,653.15/12,449,468.69 = 2,234,391.53/x - Step 3: Cross multiply
8,299,653.15x = 12,449,468.69 × 2,234,391.53 - Step 4: Simplify right side
8,299,653.15x = 27,816,987,411,492.58 - Step 5: Solve for x
x = 27,816,987,411,492.58/8,299,653.15 - Step 6: Final answer
x = 3,351,584.32
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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.