Finding the Fourth Proportional to 8,177,977.50, 11,285,685.99 and 4,507,026.26
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Solution
The fourth proportional to 8,177,977.50, 11,285,685.99 and 4,507,026.26 is: 6,219,738.69
Step by Step Solution
- Step 1: Write the proportion equation
8,177,977.50 : 11,285,685.99 = 4,507,026.26 : x - Step 2: Convert to fraction form
8,177,977.50/11,285,685.99 = 4,507,026.26/x - Step 3: Cross multiply
8,177,977.50x = 11,285,685.99 × 4,507,026.26 - Step 4: Simplify right side
8,177,977.50x = 50,864,883,062,615.66 - Step 5: Solve for x
x = 50,864,883,062,615.66/8,177,977.50 - Step 6: Final answer
x = 6,219,738.69
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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.