Finding the Fourth Proportional to 16,102,153.50, 22,220,971.83 and 8,858,653.98
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Solution
The fourth proportional to 16,102,153.50, 22,220,971.83 and 8,858,653.98 is: 12,224,942.49
Step by Step Solution
- Step 1: Write the proportion equation
16,102,153.50 : 22,220,971.83 = 8,858,653.98 : x - Step 2: Convert to fraction form
16,102,153.50/22,220,971.83 = 8,858,653.98/x - Step 3: Cross multiply
16,102,153.50x = 22,220,971.83 × 8,858,653.98 - Step 4: Simplify right side
16,102,153.50x = 196,847,900,541,297.38 - Step 5: Solve for x
x = 196,847,900,541,297.38/16,102,153.50 - Step 6: Final answer
x = 12,224,942.49
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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.