Finding the Fourth Proportional to 11,591,130.20, 17,385,917.70 and 3,071,283.80
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Solution
The fourth proportional to 11,591,130.20, 17,385,917.70 and 3,071,283.80 is: 4,606,719.66
Step by Step Solution
- Step 1: Write the proportion equation
11,591,130.20 : 17,385,917.70 = 3,071,283.80 : x - Step 2: Convert to fraction form
11,591,130.20/17,385,917.70 = 3,071,283.80/x - Step 3: Cross multiply
11,591,130.20x = 17,385,917.70 × 3,071,283.80 - Step 4: Simplify right side
11,591,130.20x = 53,397,087,380,143.26 - Step 5: Solve for x
x = 53,397,087,380,143.26/11,591,130.20 - Step 6: Final answer
x = 4,606,719.66
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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.