Finding the Fourth Proportional to 18,544,490.52, 27,782,610.47 and 11,626,654.20
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Solution
The fourth proportional to 18,544,490.52, 27,782,610.47 and 11,626,654.20 is: 17,418,586.09
Step by Step Solution
- Step 1: Write the proportion equation
18,544,490.52 : 27,782,610.47 = 11,626,654.20 : x - Step 2: Convert to fraction form
18,544,490.52/27,782,610.47 = 11,626,654.20/x - Step 3: Cross multiply
18,544,490.52x = 27,782,610.47 × 11,626,654.20 - Step 4: Simplify right side
18,544,490.52x = 323,018,804,649,856.19 - Step 5: Solve for x
x = 323,018,804,649,856.19/18,544,490.52 - Step 6: Final answer
x = 17,418,586.09
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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.