Finding the Fourth Proportional to 7,214,093.37, 9,950,660.73 and 4,639,032.09
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Solution
The fourth proportional to 7,214,093.37, 9,950,660.73 and 4,639,032.09 is: 6,398,785.28
Step by Step Solution
- Step 1: Write the proportion equation
7,214,093.37 : 9,950,660.73 = 4,639,032.09 : x - Step 2: Convert to fraction form
7,214,093.37/9,950,660.73 = 4,639,032.09/x - Step 3: Cross multiply
7,214,093.37x = 9,950,660.73 × 4,639,032.09 - Step 4: Simplify right side
7,214,093.37x = 46,161,434,443,172.83 - Step 5: Solve for x
x = 46,161,434,443,172.83/7,214,093.37 - Step 6: Final answer
x = 6,398,785.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.