Finding the Fourth Proportional to 66,644,817.26, 99,971,612.13 and 17,461,874.84
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Solution
The fourth proportional to 66,644,817.26, 99,971,612.13 and 17,461,874.84 is: 26,193,961.51
Step by Step Solution
- Step 1: Write the proportion equation
66,644,817.26 : 99,971,612.13 = 17,461,874.84 : x - Step 2: Convert to fraction form
66,644,817.26/99,971,612.13 = 17,461,874.84/x - Step 3: Cross multiply
66,644,817.26x = 99,971,612.13 × 17,461,874.84 - Step 4: Simplify right side
66,644,817.26x = 1,745,691,778,067,227.75 - Step 5: Solve for x
x = 1,745,691,778,067,227.75/66,644,817.26 - Step 6: Final answer
x = 26,193,961.51
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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.