Finding the Fourth Proportional to 7,021,024.94, 9,689,027.56 and 3,923,548.32
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Solution
The fourth proportional to 7,021,024.94, 9,689,027.56 and 3,923,548.32 is: 5,414,504.03
Step by Step Solution
- Step 1: Write the proportion equation
7,021,024.94 : 9,689,027.56 = 3,923,548.32 : x - Step 2: Convert to fraction form
7,021,024.94/9,689,027.56 = 3,923,548.32/x - Step 3: Cross multiply
7,021,024.94x = 9,689,027.56 × 3,923,548.32 - Step 4: Simplify right side
7,021,024.94x = 38,015,367,805,471.70 - Step 5: Solve for x
x = 38,015,367,805,471.70/7,021,024.94 - Step 6: Final answer
x = 5,414,504.03
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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.