Finding the Fourth Proportional to 11,475,121.05, 15,836,015.43 and 6,318,667.26
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Solution
The fourth proportional to 11,475,121.05, 15,836,015.43 and 6,318,667.26 is: 8,719,952.65
Step by Step Solution
- Step 1: Write the proportion equation
11,475,121.05 : 15,836,015.43 = 6,318,667.26 : x - Step 2: Convert to fraction form
11,475,121.05/15,836,015.43 = 6,318,667.26/x - Step 3: Cross multiply
11,475,121.05x = 15,836,015.43 × 6,318,667.26 - Step 4: Simplify right side
11,475,121.05x = 100,062,512,226,395.81 - Step 5: Solve for x
x = 100,062,512,226,395.81/11,475,121.05 - Step 6: Final answer
x = 8,719,952.65
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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.