Finding the Fourth Proportional to 11,261,068.80, 15,540,295.68 and 6,104,414.40
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Solution
The fourth proportional to 11,261,068.80, 15,540,295.68 and 6,104,414.40 is: 8,424,103.11
Step by Step Solution
- Step 1: Write the proportion equation
11,261,068.80 : 15,540,295.68 = 6,104,414.40 : x - Step 2: Convert to fraction form
11,261,068.80/15,540,295.68 = 6,104,414.40/x - Step 3: Cross multiply
11,261,068.80x = 15,540,295.68 × 6,104,414.40 - Step 4: Simplify right side
11,261,068.80x = 94,864,404,729,249.80 - Step 5: Solve for x
x = 94,864,404,729,249.80/11,261,068.80 - Step 6: Final answer
x = 8,424,103.11
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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.