Finding the Fourth Proportional to 8,531,828.82, 11,773,965.40 and 4,664,350.17
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Solution
The fourth proportional to 8,531,828.82, 11,773,965.40 and 4,664,350.17 is: 6,436,825.99
Step by Step Solution
- Step 1: Write the proportion equation
8,531,828.82 : 11,773,965.40 = 4,664,350.17 : x - Step 2: Convert to fraction form
8,531,828.82/11,773,965.40 = 4,664,350.17/x - Step 3: Cross multiply
8,531,828.82x = 11,773,965.40 × 4,664,350.17 - Step 4: Simplify right side
8,531,828.82x = 54,917,897,503,403.24 - Step 5: Solve for x
x = 54,917,897,503,403.24/8,531,828.82 - Step 6: Final answer
x = 6,436,825.99
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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.