Finding the Fourth Proportional to 7,678,687.04, 11,519,430.24 and 3,842,515.52
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Solution
The fourth proportional to 7,678,687.04, 11,519,430.24 and 3,842,515.52 is: 5,764,473.70
Step by Step Solution
- Step 1: Write the proportion equation
7,678,687.04 : 11,519,430.24 = 3,842,515.52 : x - Step 2: Convert to fraction form
7,678,687.04/11,519,430.24 = 3,842,515.52/x - Step 3: Cross multiply
7,678,687.04x = 11,519,430.24 × 3,842,515.52 - Step 4: Simplify right side
7,678,687.04x = 44,263,589,478,757.33 - Step 5: Solve for x
x = 44,263,589,478,757.33/7,678,687.04 - Step 6: Final answer
x = 5,764,473.70
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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.