Finding the Fourth Proportional to 11,784,868.91, 17,678,050.53 and 3,698,163.71
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Solution
The fourth proportional to 11,784,868.91, 17,678,050.53 and 3,698,163.71 is: 5,547,480.02
Step by Step Solution
- Step 1: Write the proportion equation
11,784,868.91 : 17,678,050.53 = 3,698,163.71 : x - Step 2: Convert to fraction form
11,784,868.91/17,678,050.53 = 3,698,163.71/x - Step 3: Cross multiply
11,784,868.91x = 17,678,050.53 × 3,698,163.71 - Step 4: Simplify right side
11,784,868.91x = 65,376,324,826,711.19 - Step 5: Solve for x
x = 65,376,324,826,711.19/11,784,868.91 - Step 6: Final answer
x = 5,547,480.02
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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.