Finding the Fourth Proportional to 7,803,664.07, 11,682,174.45 and 4,720,323.79
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Solution
The fourth proportional to 7,803,664.07, 11,682,174.45 and 4,720,323.79 is: 7,066,378.75
Step by Step Solution
- Step 1: Write the proportion equation
7,803,664.07 : 11,682,174.45 = 4,720,323.79 : x - Step 2: Convert to fraction form
7,803,664.07/11,682,174.45 = 4,720,323.79/x - Step 3: Cross multiply
7,803,664.07x = 11,682,174.45 × 4,720,323.79 - Step 4: Simplify right side
7,803,664.07x = 55,143,645,957,953.02 - Step 5: Solve for x
x = 55,143,645,957,953.02/7,803,664.07 - Step 6: Final answer
x = 7,066,378.75
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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.