Finding the Fourth Proportional to 13,005,883.26, 17,947,883.97 and 7,204,647.06
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Solution
The fourth proportional to 13,005,883.26, 17,947,883.97 and 7,204,647.06 is: 9,942,282.80
Step by Step Solution
- Step 1: Write the proportion equation
13,005,883.26 : 17,947,883.97 = 7,204,647.06 : x - Step 2: Convert to fraction form
13,005,883.26/17,947,883.97 = 7,204,647.06/x - Step 3: Cross multiply
13,005,883.26x = 17,947,883.97 × 7,204,647.06 - Step 4: Simplify right side
13,005,883.26x = 129,308,169,477,681.61 - Step 5: Solve for x
x = 129,308,169,477,681.61/13,005,883.26 - Step 6: Final answer
x = 9,942,282.80
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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.