Finding the Fourth Proportional to 8,311,694.70, 12,457,044.45 and 4,042,670.70
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Solution
The fourth proportional to 8,311,694.70, 12,457,044.45 and 4,042,670.70 is: 6,058,900.19
Step by Step Solution
- Step 1: Write the proportion equation
8,311,694.70 : 12,457,044.45 = 4,042,670.70 : x - Step 2: Convert to fraction form
8,311,694.70/12,457,044.45 = 4,042,670.70/x - Step 3: Cross multiply
8,311,694.70x = 12,457,044.45 × 4,042,670.70 - Step 4: Simplify right side
8,311,694.70x = 50,359,728,606,612.62 - Step 5: Solve for x
x = 50,359,728,606,612.62/8,311,694.70 - Step 6: Final answer
x = 6,058,900.19
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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.