Finding the Fourth Proportional to 25,857,752.31, 38,760,450.08 and 16,765,605.99
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Solution
The fourth proportional to 25,857,752.31, 38,760,450.08 and 16,765,605.99 is: 25,131,435.48
Step by Step Solution
- Step 1: Write the proportion equation
25,857,752.31 : 38,760,450.08 = 16,765,605.99 : x - Step 2: Convert to fraction form
25,857,752.31/38,760,450.08 = 16,765,605.99/x - Step 3: Cross multiply
25,857,752.31x = 38,760,450.08 × 16,765,605.99 - Step 4: Simplify right side
25,857,752.31x = 649,842,433,952,516 - Step 5: Solve for x
x = 649,842,433,952,516/25,857,752.31 - Step 6: Final answer
x = 25,131,435.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.