Finding the Fourth Proportional to 7,259,786.53, 9,996,898.07 and 7,098,672.97
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Solution
The fourth proportional to 7,259,786.53, 9,996,898.07 and 7,098,672.97 is: 9,775,040.88
Step by Step Solution
- Step 1: Write the proportion equation
7,259,786.53 : 9,996,898.07 = 7,098,672.97 : x - Step 2: Convert to fraction form
7,259,786.53/9,996,898.07 = 7,098,672.97/x - Step 3: Cross multiply
7,259,786.53x = 9,996,898.07 × 7,098,672.97 - Step 4: Simplify right side
7,259,786.53x = 70,964,710,052,868.56 - Step 5: Solve for x
x = 70,964,710,052,868.56/7,259,786.53 - Step 6: Final answer
x = 9,775,040.88
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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.