Finding the Fourth Proportional to 12,394,570.11, 17,104,922.11 and 6,888,177.05
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Solution
The fourth proportional to 12,394,570.11, 17,104,922.11 and 6,888,177.05 is: 9,505,915.16
Step by Step Solution
- Step 1: Write the proportion equation
12,394,570.11 : 17,104,922.11 = 6,888,177.05 : x - Step 2: Convert to fraction form
12,394,570.11/17,104,922.11 = 6,888,177.05/x - Step 3: Cross multiply
12,394,570.11x = 17,104,922.11 × 6,888,177.05 - Step 4: Simplify right side
12,394,570.11x = 117,821,731,843,225.17 - Step 5: Solve for x
x = 117,821,731,843,225.17/12,394,570.11 - Step 6: Final answer
x = 9,505,915.16
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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.