Finding the Fourth Proportional to 31,450,258.18, 43,394,175.66 and 17,694,203.14
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Solution
The fourth proportional to 31,450,258.18, 43,394,175.66 and 17,694,203.14 is: 24,413,960.45
Step by Step Solution
- Step 1: Write the proportion equation
31,450,258.18 : 43,394,175.66 = 17,694,203.14 : x - Step 2: Convert to fraction form
31,450,258.18/43,394,175.66 = 17,694,203.14/x - Step 3: Cross multiply
31,450,258.18x = 43,394,175.66 × 17,694,203.14 - Step 4: Simplify right side
31,450,258.18x = 767,825,359,220,883.50 - Step 5: Solve for x
x = 767,825,359,220,883.50/31,450,258.18 - Step 6: Final answer
x = 24,413,960.45
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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.