Finding the Fourth Proportional to 7,438,026.25, 10,263,687.73 and 4,175,199.94
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Solution
The fourth proportional to 7,438,026.25, 10,263,687.73 and 4,175,199.94 is: 5,761,333.31
Step by Step Solution
- Step 1: Write the proportion equation
7,438,026.25 : 10,263,687.73 = 4,175,199.94 : x - Step 2: Convert to fraction form
7,438,026.25/10,263,687.73 = 4,175,199.94/x - Step 3: Cross multiply
7,438,026.25x = 10,263,687.73 × 4,175,199.94 - Step 4: Simplify right side
7,438,026.25x = 42,852,948,394,474.73 - Step 5: Solve for x
x = 42,852,948,394,474.73/7,438,026.25 - Step 6: Final answer
x = 5,761,333.31
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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.