Finding the Fourth Proportional to 35,138,290.54, 48,488,193.39 and 21,385,734.70
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Solution
The fourth proportional to 35,138,290.54, 48,488,193.39 and 21,385,734.70 is: 29,510,702.54
Step by Step Solution
- Step 1: Write the proportion equation
35,138,290.54 : 48,488,193.39 = 21,385,734.70 : x - Step 2: Convert to fraction form
35,138,290.54/48,488,193.39 = 21,385,734.70/x - Step 3: Cross multiply
35,138,290.54x = 48,488,193.39 × 21,385,734.70 - Step 4: Simplify right side
35,138,290.54x = 1,036,955,639,920,833.62 - Step 5: Solve for x
x = 1,036,955,639,920,833.62/35,138,290.54 - Step 6: Final answer
x = 29,510,702.54
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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.