Finding the Fourth Proportional to 7,191,792.12, 10,787,614.37 and 4,157,227.11
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Solution
The fourth proportional to 7,191,792.12, 10,787,614.37 and 4,157,227.11 is: 6,235,797.99
Step by Step Solution
- Step 1: Write the proportion equation
7,191,792.12 : 10,787,614.37 = 4,157,227.11 : x - Step 2: Convert to fraction form
7,191,792.12/10,787,614.37 = 4,157,227.11/x - Step 3: Cross multiply
7,191,792.12x = 10,787,614.37 × 4,157,227.11 - Step 4: Simplify right side
7,191,792.12x = 44,846,562,857,251.49 - Step 5: Solve for x
x = 44,846,562,857,251.49/7,191,792.12 - Step 6: Final answer
x = 6,235,797.99
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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.