Finding the Fourth Proportional to 18,311,209.16, 27,471,916.46 and 14,931,410.92
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Solution
The fourth proportional to 18,311,209.16, 27,471,916.46 and 14,931,410.92 is: 22,401,277.26
Step by Step Solution
- Step 1: Write the proportion equation
18,311,209.16 : 27,471,916.46 = 14,931,410.92 : x - Step 2: Convert to fraction form
18,311,209.16/27,471,916.46 = 14,931,410.92/x - Step 3: Cross multiply
18,311,209.16x = 27,471,916.46 × 14,931,410.92 - Step 4: Simplify right side
18,311,209.16x = 410,194,473,424,171.75 - Step 5: Solve for x
x = 410,194,473,424,171.75/18,311,209.16 - Step 6: Final answer
x = 22,401,277.26
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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.