Finding the Fourth Proportional to 20,007,324.22, 27,609,746.76 and 11,305,309.54
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Solution
The fourth proportional to 20,007,324.22, 27,609,746.76 and 11,305,309.54 is: 15,601,123.37
Step by Step Solution
- Step 1: Write the proportion equation
20,007,324.22 : 27,609,746.76 = 11,305,309.54 : x - Step 2: Convert to fraction form
20,007,324.22/27,609,746.76 = 11,305,309.54/x - Step 3: Cross multiply
20,007,324.22x = 27,609,746.76 × 11,305,309.54 - Step 4: Simplify right side
20,007,324.22x = 312,136,733,442,812.06 - Step 5: Solve for x
x = 312,136,733,442,812.06/20,007,324.22 - Step 6: Final answer
x = 15,601,123.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.