Finding the Fourth Proportional to 8,140,436.11, 11,233,298.30 and 4,469,331.99
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Solution
The fourth proportional to 8,140,436.11, 11,233,298.30 and 4,469,331.99 is: 6,167,401.69
Step by Step Solution
- Step 1: Write the proportion equation
8,140,436.11 : 11,233,298.30 = 4,469,331.99 : x - Step 2: Convert to fraction form
8,140,436.11/11,233,298.30 = 4,469,331.99/x - Step 3: Cross multiply
8,140,436.11x = 11,233,298.30 × 4,469,331.99 - Step 4: Simplify right side
8,140,436.11x = 50,205,339,401,993.52 - Step 5: Solve for x
x = 50,205,339,401,993.52/8,140,436.11 - Step 6: Final answer
x = 6,167,401.69
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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.