Finding the Fourth Proportional to 18,448,422.70, 27,672,634.05 and 17,403,328.30
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Solution
The fourth proportional to 18,448,422.70, 27,672,634.05 and 17,403,328.30 is: 26,104,992.45
Step by Step Solution
- Step 1: Write the proportion equation
18,448,422.70 : 27,672,634.05 = 17,403,328.30 : x - Step 2: Convert to fraction form
18,448,422.70/27,672,634.05 = 17,403,328.30/x - Step 3: Cross multiply
18,448,422.70x = 27,672,634.05 × 17,403,328.30 - Step 4: Simplify right side
18,448,422.70x = 481,595,935,297,908.62 - Step 5: Solve for x
x = 481,595,935,297,908.62/18,448,422.70 - Step 6: Final answer
x = 26,104,992.45
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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.