Finding the Fourth Proportional to 5,914,743.58, 8,159,243.12 and 5,138,630.58
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Solution
The fourth proportional to 5,914,743.58, 8,159,243.12 and 5,138,630.58 is: 7,088,614.35
Step by Step Solution
- Step 1: Write the proportion equation
5,914,743.58 : 8,159,243.12 = 5,138,630.58 : x - Step 2: Convert to fraction form
5,914,743.58/8,159,243.12 = 5,138,630.58/x - Step 3: Cross multiply
5,914,743.58x = 8,159,243.12 × 5,138,630.58 - Step 4: Simplify right side
5,914,743.58x = 41,927,336,206,086.61 - Step 5: Solve for x
x = 41,927,336,206,086.61/5,914,743.58 - Step 6: Final answer
x = 7,088,614.35
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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.