Finding the Fourth Proportional to 14,485,831.97, 21,707,480.60 and 7,287,472.13
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Solution
The fourth proportional to 14,485,831.97, 21,707,480.60 and 7,287,472.13 is: 10,920,509.10
Step by Step Solution
- Step 1: Write the proportion equation
14,485,831.97 : 21,707,480.60 = 7,287,472.13 : x - Step 2: Convert to fraction form
14,485,831.97/21,707,480.60 = 7,287,472.13/x - Step 3: Cross multiply
14,485,831.97x = 21,707,480.60 × 7,287,472.13 - Step 4: Simplify right side
14,485,831.97x = 158,192,659,848,578.31 - Step 5: Solve for x
x = 158,192,659,848,578.31/14,485,831.97 - Step 6: Final answer
x = 10,920,509.10
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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.