Finding the Fourth Proportional to 7,451,887.82, 11,177,831.66 and 2,403,198.32
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Solution
The fourth proportional to 7,451,887.82, 11,177,831.66 and 2,403,198.32 is: 3,604,797.45
Step by Step Solution
- Step 1: Write the proportion equation
7,451,887.82 : 11,177,831.66 = 2,403,198.32 : x - Step 2: Convert to fraction form
7,451,887.82/11,177,831.66 = 2,403,198.32/x - Step 3: Cross multiply
7,451,887.82x = 11,177,831.66 × 2,403,198.32 - Step 4: Simplify right side
7,451,887.82x = 26,862,546,198,649.66 - Step 5: Solve for x
x = 26,862,546,198,649.66/7,451,887.82 - Step 6: Final answer
x = 3,604,797.45
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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.