Finding the Fourth Proportional to 47,728,604.04, 71,563,605.56 and 18,548,370.99
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Solution
The fourth proportional to 47,728,604.04, 71,563,605.56 and 18,548,370.99 is: 27,811,169.67
Step by Step Solution
- Step 1: Write the proportion equation
47,728,604.04 : 71,563,605.56 = 18,548,370.99 : x - Step 2: Convert to fraction form
47,728,604.04/71,563,605.56 = 18,548,370.99/x - Step 3: Cross multiply
47,728,604.04x = 71,563,605.56 × 18,548,370.99 - Step 4: Simplify right side
47,728,604.04x = 1,327,388,305,434,800.25 - Step 5: Solve for x
x = 1,327,388,305,434,800.25/47,728,604.04 - Step 6: Final answer
x = 27,811,169.67
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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.