Finding the Fourth Proportional to 25,916,380.65, 38,874,716.28 and 8,644,534.11
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Solution
The fourth proportional to 25,916,380.65, 38,874,716.28 and 8,644,534.11 is: 12,966,849.63
Step by Step Solution
- Step 1: Write the proportion equation
25,916,380.65 : 38,874,716.28 = 8,644,534.11 : x - Step 2: Convert to fraction form
25,916,380.65/38,874,716.28 = 8,644,534.11/x - Step 3: Cross multiply
25,916,380.65x = 38,874,716.28 × 8,644,534.11 - Step 4: Simplify right side
25,916,380.65x = 336,053,810,899,032.31 - Step 5: Solve for x
x = 336,053,810,899,032.31/25,916,380.65 - Step 6: Final answer
x = 12,966,849.63
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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.