Finding the Fourth Proportional to 11,654,812.80, 17,479,237.11 and 3,455,537.70
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Solution
The fourth proportional to 11,654,812.80, 17,479,237.11 and 3,455,537.70 is: 5,182,422.39
Step by Step Solution
- Step 1: Write the proportion equation
11,654,812.80 : 17,479,237.11 = 3,455,537.70 : x - Step 2: Convert to fraction form
11,654,812.80/17,479,237.11 = 3,455,537.70/x - Step 3: Cross multiply
11,654,812.80x = 17,479,237.11 × 3,455,537.70 - Step 4: Simplify right side
11,654,812.80x = 60,400,162,800,844.05 - Step 5: Solve for x
x = 60,400,162,800,844.05/11,654,812.80 - Step 6: Final answer
x = 5,182,422.39
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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.