Finding the Fourth Proportional to 19,982,453.13, 27,576,453.98 and 12,246,001.38
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Solution
The fourth proportional to 19,982,453.13, 27,576,453.98 and 12,246,001.38 is: 16,899,891.69
Step by Step Solution
- Step 1: Write the proportion equation
19,982,453.13 : 27,576,453.98 = 12,246,001.38 : x - Step 2: Convert to fraction form
19,982,453.13/27,576,453.98 = 12,246,001.38/x - Step 3: Cross multiply
19,982,453.13x = 27,576,453.98 × 12,246,001.38 - Step 4: Simplify right side
19,982,453.13x = 337,701,293,525,201.56 - Step 5: Solve for x
x = 337,701,293,525,201.56/19,982,453.13 - Step 6: Final answer
x = 16,899,891.69
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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.