Finding the Fourth Proportional to 11,479,536.26, 17,221,423.34 and 4,748,475.14
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Solution
The fourth proportional to 11,479,536.26, 17,221,423.34 and 4,748,475.14 is: 7,123,589.20
Step by Step Solution
- Step 1: Write the proportion equation
11,479,536.26 : 17,221,423.34 = 4,748,475.14 : x - Step 2: Convert to fraction form
11,479,536.26/17,221,423.34 = 4,748,475.14/x - Step 3: Cross multiply
11,479,536.26x = 17,221,423.34 × 4,748,475.14 - Step 4: Simplify right side
11,479,536.26x = 81,775,500,531,169.84 - Step 5: Solve for x
x = 81,775,500,531,169.84/11,479,536.26 - Step 6: Final answer
x = 7,123,589.20
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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.