Finding the Fourth Proportional to 39,994,929.26, 55,193,002.39 and 21,660,214.76
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Solution
The fourth proportional to 39,994,929.26, 55,193,002.39 and 21,660,214.76 is: 29,891,096.37
Step by Step Solution
- Step 1: Write the proportion equation
39,994,929.26 : 55,193,002.39 = 21,660,214.76 : x - Step 2: Convert to fraction form
39,994,929.26/55,193,002.39 = 21,660,214.76/x - Step 3: Cross multiply
39,994,929.26x = 55,193,002.39 × 21,660,214.76 - Step 4: Simplify right side
39,994,929.26x = 1,195,492,284,974,677.25 - Step 5: Solve for x
x = 1,195,492,284,974,677.25/39,994,929.26 - Step 6: Final answer
x = 29,891,096.37
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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.