Finding the Fourth Proportional to 15,352,450.14, 21,186,483.84 and 8,383,176.12
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Solution
The fourth proportional to 15,352,450.14, 21,186,483.84 and 8,383,176.12 is: 11,568,839.10
Step by Step Solution
- Step 1: Write the proportion equation
15,352,450.14 : 21,186,483.84 = 8,383,176.12 : x - Step 2: Convert to fraction form
15,352,450.14/21,186,483.84 = 8,383,176.12/x - Step 3: Cross multiply
15,352,450.14x = 21,186,483.84 × 8,383,176.12 - Step 4: Simplify right side
15,352,450.14x = 177,610,025,394,253.91 - Step 5: Solve for x
x = 177,610,025,394,253.91/15,352,450.14 - Step 6: Final answer
x = 11,568,839.10
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1.5x scale
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.