Finding the Fourth Proportional to 7,544,627.40, 11,319,893.55 and 2,752,801.05
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Solution
The fourth proportional to 7,544,627.40, 11,319,893.55 and 2,752,801.05 is: 4,130,278.83
Step by Step Solution
- Step 1: Write the proportion equation
7,544,627.40 : 11,319,893.55 = 2,752,801.05 : x - Step 2: Convert to fraction form
7,544,627.40/11,319,893.55 = 2,752,801.05/x - Step 3: Cross multiply
7,544,627.40x = 11,319,893.55 × 2,752,801.05 - Step 4: Simplify right side
7,544,627.40x = 31,161,414,850,328.23 - Step 5: Solve for x
x = 31,161,414,850,328.23/7,544,627.40 - Step 6: Final answer
x = 4,130,278.83
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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.