Finding the Fourth Proportional to 11,286,075.12, 15,575,744.20 and 6,392,167.81
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Solution
The fourth proportional to 11,286,075.12, 15,575,744.20 and 6,392,167.81 is: 8,821,735.60
Step by Step Solution
- Step 1: Write the proportion equation
11,286,075.12 : 15,575,744.20 = 6,392,167.81 : x - Step 2: Convert to fraction form
11,286,075.12/15,575,744.20 = 6,392,167.81/x - Step 3: Cross multiply
11,286,075.12x = 15,575,744.20 × 6,392,167.81 - Step 4: Simplify right side
11,286,075.12x = 99,562,770,692,034.19 - Step 5: Solve for x
x = 99,562,770,692,034.19/11,286,075.12 - Step 6: Final answer
x = 8,821,735.60
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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.