Finding the Fourth Proportional to 7,780,327.30, 11,670,325.99 and 2,593,311.87
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Solution
The fourth proportional to 7,780,327.30, 11,670,325.99 and 2,593,311.87 is: 3,889,912.82
Step by Step Solution
- Step 1: Write the proportion equation
7,780,327.30 : 11,670,325.99 = 2,593,311.87 : x - Step 2: Convert to fraction form
7,780,327.30/11,670,325.99 = 2,593,311.87/x - Step 3: Cross multiply
7,780,327.30x = 11,670,325.99 × 2,593,311.87 - Step 4: Simplify right side
7,780,327.30x = 30,264,794,916,636.50 - Step 5: Solve for x
x = 30,264,794,916,636.50/7,780,327.30 - Step 6: Final answer
x = 3,889,912.82
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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.