Finding the Fourth Proportional to 7,661,437.08, 11,489,654.88 and 2,542,491.84
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Solution
The fourth proportional to 7,661,437.08, 11,489,654.88 and 2,542,491.84 is: 3,812,907.88
Step by Step Solution
- Step 1: Write the proportion equation
7,661,437.08 : 11,489,654.88 = 2,542,491.84 : x - Step 2: Convert to fraction form
7,661,437.08/11,489,654.88 = 2,542,491.84/x - Step 3: Cross multiply
7,661,437.08x = 11,489,654.88 × 2,542,491.84 - Step 4: Simplify right side
7,661,437.08x = 29,212,353,776,816.18 - Step 5: Solve for x
x = 29,212,353,776,816.18/7,661,437.08 - Step 6: Final answer
x = 3,812,907.88
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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.