Finding the Fourth Proportional to 11,912,194.74, 17,823,201.13 and 7,057,107.04
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Solution
The fourth proportional to 11,912,194.74, 17,823,201.13 and 7,057,107.04 is: 10,558,947.44
Step by Step Solution
- Step 1: Write the proportion equation
11,912,194.74 : 17,823,201.13 = 7,057,107.04 : x - Step 2: Convert to fraction form
11,912,194.74/17,823,201.13 = 7,057,107.04/x - Step 3: Cross multiply
11,912,194.74x = 17,823,201.13 × 7,057,107.04 - Step 4: Simplify right side
11,912,194.74x = 125,780,238,169,858.95 - Step 5: Solve for x
x = 125,780,238,169,858.95/11,912,194.74 - Step 6: Final answer
x = 10,558,947.44
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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.