Finding the Fourth Proportional to 9,862,991.96, 13,610,673.68 and 5,512,114.01
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Solution
The fourth proportional to 9,862,991.96, 13,610,673.68 and 5,512,114.01 is: 7,606,574.70
Step by Step Solution
- Step 1: Write the proportion equation
9,862,991.96 : 13,610,673.68 = 5,512,114.01 : x - Step 2: Convert to fraction form
9,862,991.96/13,610,673.68 = 5,512,114.01/x - Step 3: Cross multiply
9,862,991.96x = 13,610,673.68 × 5,512,114.01 - Step 4: Simplify right side
9,862,991.96x = 75,023,585,083,532.38 - Step 5: Solve for x
x = 75,023,585,083,532.38/9,862,991.96 - Step 6: Final answer
x = 7,606,574.70
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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.