Finding the Fourth Proportional to 16,161,216.98, 22,302,953.84 and 8,819,523.98
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Solution
The fourth proportional to 16,161,216.98, 22,302,953.84 and 8,819,523.98 is: 12,171,201.99
Step by Step Solution
- Step 1: Write the proportion equation
16,161,216.98 : 22,302,953.84 = 8,819,523.98 : x - Step 2: Convert to fraction form
16,161,216.98/22,302,953.84 = 8,819,523.98/x - Step 3: Cross multiply
16,161,216.98x = 22,302,953.84 × 8,819,523.98 - Step 4: Simplify right side
16,161,216.98x = 196,701,436,216,713.09 - Step 5: Solve for x
x = 196,701,436,216,713.09/16,161,216.98 - Step 6: Final answer
x = 12,171,201.99
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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.