Finding the Fourth Proportional to 7,111,640.34, 9,814,063.67 and 3,848,455.07
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Solution
The fourth proportional to 7,111,640.34, 9,814,063.67 and 3,848,455.07 is: 5,310,867.99
Step by Step Solution
- Step 1: Write the proportion equation
7,111,640.34 : 9,814,063.67 = 3,848,455.07 : x - Step 2: Convert to fraction form
7,111,640.34/9,814,063.67 = 3,848,455.07/x - Step 3: Cross multiply
7,111,640.34x = 9,814,063.67 × 3,848,455.07 - Step 4: Simplify right side
7,111,640.34x = 37,768,983,038,022.20 - Step 5: Solve for x
x = 37,768,983,038,022.20/7,111,640.34 - Step 6: Final answer
x = 5,310,867.99
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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.