Finding the Fourth Proportional to 13,244,732.08, 18,273,622.38 and 7,734,131.80
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Solution
The fourth proportional to 13,244,732.08, 18,273,622.38 and 7,734,131.80 is: 10,670,703.12
Step by Step Solution
- Step 1: Write the proportion equation
13,244,732.08 : 18,273,622.38 = 7,734,131.80 : x - Step 2: Convert to fraction form
13,244,732.08/18,273,622.38 = 7,734,131.80/x - Step 3: Cross multiply
13,244,732.08x = 18,273,622.38 × 7,734,131.80 - Step 4: Simplify right side
13,244,732.08x = 141,330,603,950,349.69 - Step 5: Solve for x
x = 141,330,603,950,349.69/13,244,732.08 - Step 6: Final answer
x = 10,670,703.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.