Finding the Fourth Proportional to 11,378,729.92, 15,701,357.44 and 6,732,657.60
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Solution
The fourth proportional to 11,378,729.92, 15,701,357.44 and 6,732,657.60 is: 9,290,304.30
Step by Step Solution
- Step 1: Write the proportion equation
11,378,729.92 : 15,701,357.44 = 6,732,657.60 : x - Step 2: Convert to fraction form
11,378,729.92/15,701,357.44 = 6,732,657.60/x - Step 3: Cross multiply
11,378,729.92x = 15,701,357.44 × 6,732,657.60 - Step 4: Simplify right side
11,378,729.92x = 105,711,863,498,732.53 - Step 5: Solve for x
x = 105,711,863,498,732.53/11,378,729.92 - Step 6: Final answer
x = 9,290,304.30
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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.