Finding the Fourth Proportional to 22,845,096.19, 31,525,938.80 and 13,055,428.09
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Solution
The fourth proportional to 22,845,096.19, 31,525,938.80 and 13,055,428.09 is: 18,016,322.78
Step by Step Solution
- Step 1: Write the proportion equation
22,845,096.19 : 31,525,938.80 = 13,055,428.09 : x - Step 2: Convert to fraction form
22,845,096.19/31,525,938.80 = 13,055,428.09/x - Step 3: Cross multiply
22,845,096.19x = 31,525,938.80 × 13,055,428.09 - Step 4: Simplify right side
22,845,096.19x = 411,584,626,848,149.75 - Step 5: Solve for x
x = 411,584,626,848,149.75/22,845,096.19 - Step 6: Final answer
x = 18,016,322.78
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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.