Finding the Fourth Proportional to 17,943,619.20, 26,921,649.60 and 7,853,481.60
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Solution
The fourth proportional to 17,943,619.20, 26,921,649.60 and 7,853,481.60 is: 11,782,945.09
Step by Step Solution
- Step 1: Write the proportion equation
17,943,619.20 : 26,921,649.60 = 7,853,481.60 : x - Step 2: Convert to fraction form
17,943,619.20/26,921,649.60 = 7,853,481.60/x - Step 3: Cross multiply
17,943,619.20x = 26,921,649.60 × 7,853,481.60 - Step 4: Simplify right side
17,943,619.20x = 211,428,679,775,247.38 - Step 5: Solve for x
x = 211,428,679,775,247.38/17,943,619.20 - Step 6: Final answer
x = 11,782,945.09
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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.