Finding the Fourth Proportional to 10,780,542.36, 16,145,034.14 and 6,217,758.06
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Solution
The fourth proportional to 10,780,542.36, 16,145,034.14 and 6,217,758.06 is: 9,311,768.62
Step by Step Solution
- Step 1: Write the proportion equation
10,780,542.36 : 16,145,034.14 = 6,217,758.06 : x - Step 2: Convert to fraction form
10,780,542.36/16,145,034.14 = 6,217,758.06/x - Step 3: Cross multiply
10,780,542.36x = 16,145,034.14 × 6,217,758.06 - Step 4: Simplify right side
10,780,542.36x = 100,385,916,107,960.69 - Step 5: Solve for x
x = 100,385,916,107,960.69/10,780,542.36 - Step 6: Final answer
x = 9,311,768.62
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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.