Finding the Fourth Proportional to 6,555,546.27, 9,043,438.36 and 4,380,623.37
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Solution
The fourth proportional to 6,555,546.27, 9,043,438.36 and 4,380,623.37 is: 6,043,111.56
Step by Step Solution
- Step 1: Write the proportion equation
6,555,546.27 : 9,043,438.36 = 4,380,623.37 : x - Step 2: Convert to fraction form
6,555,546.27/9,043,438.36 = 4,380,623.37/x - Step 3: Cross multiply
6,555,546.27x = 9,043,438.36 × 4,380,623.37 - Step 4: Simplify right side
6,555,546.27x = 39,615,897,424,970.47 - Step 5: Solve for x
x = 39,615,897,424,970.47/6,555,546.27 - Step 6: Final answer
x = 6,043,111.56
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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.