Finding the Fourth Proportional to 11,660,902.38, 17,474,911.79 and 5,506,317.18
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Solution
The fourth proportional to 11,660,902.38, 17,474,911.79 and 5,506,317.18 is: 8,251,711.90
Step by Step Solution
- Step 1: Write the proportion equation
11,660,902.38 : 17,474,911.79 = 5,506,317.18 : x - Step 2: Convert to fraction form
11,660,902.38/17,474,911.79 = 5,506,317.18/x - Step 3: Cross multiply
11,660,902.38x = 17,474,911.79 × 5,506,317.18 - Step 4: Simplify right side
11,660,902.38x = 96,222,406,980,729.97 - Step 5: Solve for x
x = 96,222,406,980,729.97/11,660,902.38 - Step 6: Final answer
x = 8,251,711.90
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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.