Finding the Fourth Proportional to 11,679,613.68, 17,519,461.74 and 3,592,534.80
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Solution
The fourth proportional to 11,679,613.68, 17,519,461.74 and 3,592,534.80 is: 5,388,814.88
Step by Step Solution
- Step 1: Write the proportion equation
11,679,613.68 : 17,519,461.74 = 3,592,534.80 : x - Step 2: Convert to fraction form
11,679,613.68/17,519,461.74 = 3,592,534.80/x - Step 3: Cross multiply
11,679,613.68x = 17,519,461.74 × 3,592,534.80 - Step 4: Simplify right side
11,679,613.68x = 62,939,275,978,218.54 - Step 5: Solve for x
x = 62,939,275,978,218.54/11,679,613.68 - Step 6: Final answer
x = 5,388,814.88
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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.