Finding the Fourth Proportional to 11,322,409.84, 15,622,849.99 and 6,677,648.31
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Solution
The fourth proportional to 11,322,409.84, 15,622,849.99 and 6,677,648.31 is: 9,213,930.54
Step by Step Solution
- Step 1: Write the proportion equation
11,322,409.84 : 15,622,849.99 = 6,677,648.31 : x - Step 2: Convert to fraction form
11,322,409.84/15,622,849.99 = 6,677,648.31/x - Step 3: Cross multiply
11,322,409.84x = 15,622,849.99 × 6,677,648.31 - Step 4: Simplify right side
11,322,409.84x = 104,323,897,833,107.02 - Step 5: Solve for x
x = 104,323,897,833,107.02/11,322,409.84 - Step 6: Final answer
x = 9,213,930.54
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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.