Finding the Fourth Proportional to 18,514,629.36, 27,776,347.20 and 7,725,934.80
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Solution
The fourth proportional to 18,514,629.36, 27,776,347.20 and 7,725,934.80 is: 11,590,739.59
Step by Step Solution
- Step 1: Write the proportion equation
18,514,629.36 : 27,776,347.20 = 7,725,934.80 : x - Step 2: Convert to fraction form
18,514,629.36/27,776,347.20 = 7,725,934.80/x - Step 3: Cross multiply
18,514,629.36x = 27,776,347.20 × 7,725,934.80 - Step 4: Simplify right side
18,514,629.36x = 214,598,247,449,362.56 - Step 5: Solve for x
x = 214,598,247,449,362.56/18,514,629.36 - Step 6: Final answer
x = 11,590,739.59
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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.