Finding the Fourth Proportional to 14,378,361.49, 21,567,732.90 and 4,793,743.09
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Solution
The fourth proportional to 14,378,361.49, 21,567,732.90 and 4,793,743.09 is: 7,190,678.20
Step by Step Solution
- Step 1: Write the proportion equation
14,378,361.49 : 21,567,732.90 = 4,793,743.09 : x - Step 2: Convert to fraction form
14,378,361.49/21,567,732.90 = 4,793,743.09/x - Step 3: Cross multiply
14,378,361.49x = 21,567,732.90 × 4,793,743.09 - Step 4: Simplify right side
14,378,361.49x = 103,390,170,448,501.98 - Step 5: Solve for x
x = 103,390,170,448,501.98/14,378,361.49 - Step 6: Final answer
x = 7,190,678.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.