Finding the Fourth Proportional to 7,446,879.36, 10,276,734.72 and 4,183,831.68
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Solution
The fourth proportional to 7,446,879.36, 10,276,734.72 and 4,183,831.68 is: 5,773,710.87
Step by Step Solution
- Step 1: Write the proportion equation
7,446,879.36 : 10,276,734.72 = 4,183,831.68 : x - Step 2: Convert to fraction form
7,446,879.36/10,276,734.72 = 4,183,831.68/x - Step 3: Cross multiply
7,446,879.36x = 10,276,734.72 × 4,183,831.68 - Step 4: Simplify right side
7,446,879.36x = 42,996,128,288,491.94 - Step 5: Solve for x
x = 42,996,128,288,491.94/7,446,879.36 - Step 6: Final answer
x = 5,773,710.87
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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.