Finding the Fourth Proportional to 11,278,502.44, 15,563,930.59 and 6,383,619.41
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Solution
The fourth proportional to 11,278,502.44, 15,563,930.59 and 6,383,619.41 is: 8,809,166.81
Step by Step Solution
- Step 1: Write the proportion equation
11,278,502.44 : 15,563,930.59 = 6,383,619.41 : x - Step 2: Convert to fraction form
11,278,502.44/15,563,930.59 = 6,383,619.41/x - Step 3: Cross multiply
11,278,502.44x = 15,563,930.59 × 6,383,619.41 - Step 4: Simplify right side
11,278,502.44x = 99,354,209,410,216.75 - Step 5: Solve for x
x = 99,354,209,410,216.75/11,278,502.44 - Step 6: Final answer
x = 8,809,166.81
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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.