Finding the Fourth Proportional to 8,303,842.91, 11,459,310.35 and 4,632,760.05
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Solution
The fourth proportional to 8,303,842.91, 11,459,310.35 and 4,632,760.05 is: 6,393,212.85
Step by Step Solution
- Step 1: Write the proportion equation
8,303,842.91 : 11,459,310.35 = 4,632,760.05 : x - Step 2: Convert to fraction form
8,303,842.91/11,459,310.35 = 4,632,760.05/x - Step 3: Cross multiply
8,303,842.91x = 11,459,310.35 × 4,632,760.05 - Step 4: Simplify right side
8,303,842.91x = 53,088,235,190,031.52 - Step 5: Solve for x
x = 53,088,235,190,031.52/8,303,842.91 - Step 6: Final answer
x = 6,393,212.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.