Finding the Fourth Proportional to 16,161,315.97, 22,303,087.04 and 8,819,621.99
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Solution
The fourth proportional to 16,161,315.97, 22,303,087.04 and 8,819,621.99 is: 12,171,335.38
Step by Step Solution
- Step 1: Write the proportion equation
16,161,315.97 : 22,303,087.04 = 8,819,621.99 : x - Step 2: Convert to fraction form
16,161,315.97/22,303,087.04 = 8,819,621.99/x - Step 3: Cross multiply
16,161,315.97x = 22,303,087.04 × 8,819,621.99 - Step 4: Simplify right side
16,161,315.97x = 196,704,796,847,427.81 - Step 5: Solve for x
x = 196,704,796,847,427.81/16,161,315.97 - Step 6: Final answer
x = 12,171,335.38
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1.5x scale
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.