Finding the Fourth Proportional to 8,422,262.48, 11,622,757.16 and 4,554,783.65
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Solution
The fourth proportional to 8,422,262.48, 11,622,757.16 and 4,554,783.65 is: 6,285,620.33
Step by Step Solution
- Step 1: Write the proportion equation
8,422,262.48 : 11,622,757.16 = 4,554,783.65 : x - Step 2: Convert to fraction form
8,422,262.48/11,622,757.16 = 4,554,783.65/x - Step 3: Cross multiply
8,422,262.48x = 11,622,757.16 × 4,554,783.65 - Step 4: Simplify right side
8,422,262.48x = 52,939,144,320,732.28 - Step 5: Solve for x
x = 52,939,144,320,732.28/8,422,262.48 - Step 6: Final answer
x = 6,285,620.33
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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.