Finding the Fourth Proportional to 19,982,453.24, 27,576,454.16 and 12,246,001.52
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Solution
The fourth proportional to 19,982,453.24, 27,576,454.16 and 12,246,001.52 is: 16,899,891.90
Step by Step Solution
- Step 1: Write the proportion equation
19,982,453.24 : 27,576,454.16 = 12,246,001.52 : x - Step 2: Convert to fraction form
19,982,453.24/27,576,454.16 = 12,246,001.52/x - Step 3: Cross multiply
19,982,453.24x = 27,576,454.16 × 12,246,001.52 - Step 4: Simplify right side
19,982,453.24x = 337,701,299,559,570.31 - Step 5: Solve for x
x = 337,701,299,559,570.31/19,982,453.24 - Step 6: Final answer
x = 16,899,891.90
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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.