Finding the Fourth Proportional to 22,226,051.70, 30,676,716.09 and 13,527,025.92
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Solution
The fourth proportional to 22,226,051.70, 30,676,716.09 and 13,527,025.92 is: 18,670,195.65
Step by Step Solution
- Step 1: Write the proportion equation
22,226,051.70 : 30,676,716.09 = 13,527,025.92 : x - Step 2: Convert to fraction form
22,226,051.70/30,676,716.09 = 13,527,025.92/x - Step 3: Cross multiply
22,226,051.70x = 30,676,716.09 × 13,527,025.92 - Step 4: Simplify right side
22,226,051.70x = 414,964,733,689,911.06 - Step 5: Solve for x
x = 414,964,733,689,911.06/22,226,051.70 - Step 6: Final answer
x = 18,670,195.65
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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.