Finding the Fourth Proportional to 11,808,075.65, 16,295,459.33 and 6,651,129.65
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Solution
The fourth proportional to 11,808,075.65, 16,295,459.33 and 6,651,129.65 is: 9,178,736.31
Step by Step Solution
- Step 1: Write the proportion equation
11,808,075.65 : 16,295,459.33 = 6,651,129.65 : x - Step 2: Convert to fraction form
11,808,075.65/16,295,459.33 = 6,651,129.65/x - Step 3: Cross multiply
11,808,075.65x = 16,295,459.33 × 6,651,129.65 - Step 4: Simplify right side
11,808,075.65x = 108,383,212,676,876.48 - Step 5: Solve for x
x = 108,383,212,676,876.48/11,808,075.65 - Step 6: Final answer
x = 9,178,736.31
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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.