Finding the Fourth Proportional to 19,451,882.97, 26,843,681.88 and 10,631,511.90
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Solution
The fourth proportional to 19,451,882.97, 26,843,681.88 and 10,631,511.90 is: 14,671,531.99
Step by Step Solution
- Step 1: Write the proportion equation
19,451,882.97 : 26,843,681.88 = 10,631,511.90 : x - Step 2: Convert to fraction form
19,451,882.97/26,843,681.88 = 10,631,511.90/x - Step 3: Cross multiply
19,451,882.97x = 26,843,681.88 × 10,631,511.90 - Step 4: Simplify right side
19,451,882.97x = 285,388,923,347,034.38 - Step 5: Solve for x
x = 285,388,923,347,034.38/19,451,882.97 - Step 6: Final answer
x = 14,671,531.99
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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.