Finding the Fourth Proportional to 11,202,671.18, 15,460,163.31 and 6,241,109.71
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Solution
The fourth proportional to 11,202,671.18, 15,460,163.31 and 6,241,109.71 is: 8,612,997.19
Step by Step Solution
- Step 1: Write the proportion equation
11,202,671.18 : 15,460,163.31 = 6,241,109.71 : x - Step 2: Convert to fraction form
11,202,671.18/15,460,163.31 = 6,241,109.71/x - Step 3: Cross multiply
11,202,671.18x = 15,460,163.31 × 6,241,109.71 - Step 4: Simplify right side
11,202,671.18x = 96,488,575,409,450.02 - Step 5: Solve for x
x = 96,488,575,409,450.02/11,202,671.18 - Step 6: Final answer
x = 8,612,997.19
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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.