Finding the Fourth Proportional to 11,475,122.05, 15,836,016.81 and 6,318,668.26
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Solution
The fourth proportional to 11,475,122.05, 15,836,016.81 and 6,318,668.26 is: 8,719,954.03
Step by Step Solution
- Step 1: Write the proportion equation
11,475,122.05 : 15,836,016.81 = 6,318,668.26 : x - Step 2: Convert to fraction form
11,475,122.05/15,836,016.81 = 6,318,668.26/x - Step 3: Cross multiply
11,475,122.05x = 15,836,016.81 × 6,318,668.26 - Step 4: Simplify right side
11,475,122.05x = 100,062,536,782,173.45 - Step 5: Solve for x
x = 100,062,536,782,173.45/11,475,122.05 - Step 6: Final answer
x = 8,719,954.03
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1.5x scale
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.