Finding the Fourth Proportional to 14,304,778.75, 19,740,697.36 and 7,778,361.44
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Solution
The fourth proportional to 14,304,778.75, 19,740,697.36 and 7,778,361.44 is: 10,734,194.62
Step by Step Solution
- Step 1: Write the proportion equation
14,304,778.75 : 19,740,697.36 = 7,778,361.44 : x - Step 2: Convert to fraction form
14,304,778.75/19,740,697.36 = 7,778,361.44/x - Step 3: Cross multiply
14,304,778.75x = 19,740,697.36 × 7,778,361.44 - Step 4: Simplify right side
14,304,778.75x = 153,550,279,143,733.81 - Step 5: Solve for x
x = 153,550,279,143,733.81/14,304,778.75 - Step 6: Final answer
x = 10,734,194.62
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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.