Finding the Fourth Proportional to 16,450,188.69, 22,701,969.90 and 9,108,021.99
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Solution
The fourth proportional to 16,450,188.69, 22,701,969.90 and 9,108,021.99 is: 12,569,463.18
Step by Step Solution
- Step 1: Write the proportion equation
16,450,188.69 : 22,701,969.90 = 9,108,021.99 : x - Step 2: Convert to fraction form
16,450,188.69/22,701,969.90 = 9,108,021.99/x - Step 3: Cross multiply
16,450,188.69x = 22,701,969.90 × 9,108,021.99 - Step 4: Simplify right side
16,450,188.69x = 206,770,041,065,518.09 - Step 5: Solve for x
x = 206,770,041,065,518.09/16,450,188.69 - Step 6: Final answer
x = 12,569,463.18
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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.