Finding the Fourth Proportional to 20,440,313.27, 30,668,649.29 and 8,310,709.07
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Solution
The fourth proportional to 20,440,313.27, 30,668,649.29 and 8,310,709.07 is: 12,469,389.22
Step by Step Solution
- Step 1: Write the proportion equation
20,440,313.27 : 30,668,649.29 = 8,310,709.07 : x - Step 2: Convert to fraction form
20,440,313.27/30,668,649.29 = 8,310,709.07/x - Step 3: Cross multiply
20,440,313.27x = 30,668,649.29 × 8,310,709.07 - Step 4: Simplify right side
20,440,313.27x = 254,878,221,916,500.44 - Step 5: Solve for x
x = 254,878,221,916,500.44/20,440,313.27 - Step 6: Final answer
x = 12,469,389.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.