Finding the Fourth Proportional to 11,071,704.30, 15,278,961.54 and 6,176,927.40
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Solution
The fourth proportional to 11,071,704.30, 15,278,961.54 and 6,176,927.40 is: 8,524,165.17
Step by Step Solution
- Step 1: Write the proportion equation
11,071,704.30 : 15,278,961.54 = 6,176,927.40 : x - Step 2: Convert to fraction form
11,071,704.30/15,278,961.54 = 6,176,927.40/x - Step 3: Cross multiply
11,071,704.30x = 15,278,961.54 × 6,176,927.40 - Step 4: Simplify right side
11,071,704.30x = 94,377,036,179,972.20 - Step 5: Solve for x
x = 94,377,036,179,972.20/11,071,704.30 - Step 6: Final answer
x = 8,524,165.17
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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.