Finding the Fourth Proportional to 7,991,021.58, 11,024,911.36 and 4,550,826.84
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Solution
The fourth proportional to 7,991,021.58, 11,024,911.36 and 4,550,826.84 is: 6,278,604.31
Step by Step Solution
- Step 1: Write the proportion equation
7,991,021.58 : 11,024,911.36 = 4,550,826.84 : x - Step 2: Convert to fraction form
7,991,021.58/11,024,911.36 = 4,550,826.84/x - Step 3: Cross multiply
7,991,021.58x = 11,024,911.36 × 4,550,826.84 - Step 4: Simplify right side
7,991,021.58x = 50,172,462,525,708.90 - Step 5: Solve for x
x = 50,172,462,525,708.90/7,991,021.58 - Step 6: Final answer
x = 6,278,604.31
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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.