Finding the Fourth Proportional to 22,902,790.23, 31,606,062.18 and 12,448,831.14
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Solution
The fourth proportional to 22,902,790.23, 31,606,062.18 and 12,448,831.14 is: 17,179,502.02
Step by Step Solution
- Step 1: Write the proportion equation
22,902,790.23 : 31,606,062.18 = 12,448,831.14 : x - Step 2: Convert to fraction form
22,902,790.23/31,606,062.18 = 12,448,831.14/x - Step 3: Cross multiply
22,902,790.23x = 31,606,062.18 × 12,448,831.14 - Step 4: Simplify right side
22,902,790.23x = 393,458,531,079,160.31 - Step 5: Solve for x
x = 393,458,531,079,160.31/22,902,790.23 - Step 6: Final answer
x = 17,179,502.02
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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.