Finding the Fourth Proportional to 8,088,768.80, 12,133,153.20 and 2,331,491.30
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Solution
The fourth proportional to 8,088,768.80, 12,133,153.20 and 2,331,491.30 is: 3,497,236.95
Step by Step Solution
- Step 1: Write the proportion equation
8,088,768.80 : 12,133,153.20 = 2,331,491.30 : x - Step 2: Convert to fraction form
8,088,768.80/12,133,153.20 = 2,331,491.30/x - Step 3: Cross multiply
8,088,768.80x = 12,133,153.20 × 2,331,491.30 - Step 4: Simplify right side
8,088,768.80x = 28,288,341,127,367.16 - Step 5: Solve for x
x = 28,288,341,127,367.16/8,088,768.80 - Step 6: Final answer
x = 3,497,236.95
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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.