Finding the Fourth Proportional to 11,278,502.24, 15,563,930.29 and 6,383,619.18
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Solution
The fourth proportional to 11,278,502.24, 15,563,930.29 and 6,383,619.18 is: 8,809,166.49
Step by Step Solution
- Step 1: Write the proportion equation
11,278,502.24 : 15,563,930.29 = 6,383,619.18 : x - Step 2: Convert to fraction form
11,278,502.24/15,563,930.29 = 6,383,619.18/x - Step 3: Cross multiply
11,278,502.24x = 15,563,930.29 × 6,383,619.18 - Step 4: Simplify right side
11,278,502.24x = 99,354,203,899,467.91 - Step 5: Solve for x
x = 99,354,203,899,467.91/11,278,502.24 - Step 6: Final answer
x = 8,809,166.49
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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.