Finding the Fourth Proportional to 7,400,671.76, 11,101,768.92 and 2,793,538.64
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Solution
The fourth proportional to 7,400,671.76, 11,101,768.92 and 2,793,538.64 is: 4,190,595.32
Step by Step Solution
- Step 1: Write the proportion equation
7,400,671.76 : 11,101,768.92 = 2,793,538.64 : x - Step 2: Convert to fraction form
7,400,671.76/11,101,768.92 = 2,793,538.64/x - Step 3: Cross multiply
7,400,671.76x = 11,101,768.92 × 2,793,538.64 - Step 4: Simplify right side
7,400,671.76x = 31,013,220,450,371.07 - Step 5: Solve for x
x = 31,013,220,450,371.07/7,400,671.76 - Step 6: Final answer
x = 4,190,595.32
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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.