Finding the Fourth Proportional to 7,568,432.64, 11,342,791.68 and 3,075,456
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Solution
The fourth proportional to 7,568,432.64, 11,342,791.68 and 3,075,456 is: 4,609,178.46
Step by Step Solution
- Step 1: Write the proportion equation
7,568,432.64 : 11,342,791.68 = 3,075,456 : x - Step 2: Convert to fraction form
7,568,432.64/11,342,791.68 = 3,075,456/x - Step 3: Cross multiply
7,568,432.64x = 11,342,791.68 × 3,075,456 - Step 4: Simplify right side
7,568,432.64x = 34,884,256,729,006.08 - Step 5: Solve for x
x = 34,884,256,729,006.08/7,568,432.64 - Step 6: Final answer
x = 4,609,178.46
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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.