Finding the Fourth Proportional to 18,448,330.20, 27,672,495.30 and 17,403,235.80
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Solution
The fourth proportional to 18,448,330.20, 27,672,495.30 and 17,403,235.80 is: 26,104,853.70
Step by Step Solution
- Step 1: Write the proportion equation
18,448,330.20 : 27,672,495.30 = 17,403,235.80 : x - Step 2: Convert to fraction form
18,448,330.20/27,672,495.30 = 17,403,235.80/x - Step 3: Cross multiply
18,448,330.20x = 27,672,495.30 × 17,403,235.80 - Step 4: Simplify right side
18,448,330.20x = 481,590,960,880,291.75 - Step 5: Solve for x
x = 481,590,960,880,291.75/18,448,330.20 - Step 6: Final answer
x = 26,104,853.70
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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.