Finding the Fourth Proportional to 14,783,715.99, 20,401,310.91 and 8,257,440.69
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Solution
The fourth proportional to 14,783,715.99, 20,401,310.91 and 8,257,440.69 is: 11,395,146.86
Step by Step Solution
- Step 1: Write the proportion equation
14,783,715.99 : 20,401,310.91 = 8,257,440.69 : x - Step 2: Convert to fraction form
14,783,715.99/20,401,310.91 = 8,257,440.69/x - Step 3: Cross multiply
14,783,715.99x = 20,401,310.91 × 8,257,440.69 - Step 4: Simplify right side
14,783,715.99x = 168,462,614,837,574.94 - Step 5: Solve for x
x = 168,462,614,837,574.94/14,783,715.99 - Step 6: Final answer
x = 11,395,146.86
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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.