Finding the Fourth Proportional to 7,803,665.07, 11,682,175.94 and 4,720,324.79
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Solution
The fourth proportional to 7,803,665.07, 11,682,175.94 and 4,720,324.79 is: 7,066,380.25
Step by Step Solution
- Step 1: Write the proportion equation
7,803,665.07 : 11,682,175.94 = 4,720,324.79 : x - Step 2: Convert to fraction form
7,803,665.07/11,682,175.94 = 4,720,324.79/x - Step 3: Cross multiply
7,803,665.07x = 11,682,175.94 × 4,720,324.79 - Step 4: Simplify right side
7,803,665.07x = 55,143,664,690,723.55 - Step 5: Solve for x
x = 55,143,664,690,723.55/7,803,665.07 - Step 6: Final answer
x = 7,066,380.25
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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.