Finding the Fourth Proportional to 48,698,694.26, 67,202,911.82 and 27,790,352.16
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Solution
The fourth proportional to 48,698,694.26, 67,202,911.82 and 27,790,352.16 is: 38,349,951.97
Step by Step Solution
- Step 1: Write the proportion equation
48,698,694.26 : 67,202,911.82 = 27,790,352.16 : x - Step 2: Convert to fraction form
48,698,694.26/67,202,911.82 = 27,790,352.16/x - Step 3: Cross multiply
48,698,694.26x = 67,202,911.82 × 27,790,352.16 - Step 4: Simplify right side
48,698,694.26x = 1,867,592,585,655,226.25 - Step 5: Solve for x
x = 1,867,592,585,655,226.25/48,698,694.26 - Step 6: Final answer
x = 38,349,951.97
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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.