Finding the Fourth Proportional to 7,747,204.50, 11,622,672.99 and 2,428,420.50
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Solution
The fourth proportional to 7,747,204.50, 11,622,672.99 and 2,428,420.50 is: 3,643,215.74
Step by Step Solution
- Step 1: Write the proportion equation
7,747,204.50 : 11,622,672.99 = 2,428,420.50 : x - Step 2: Convert to fraction form
7,747,204.50/11,622,672.99 = 2,428,420.50/x - Step 3: Cross multiply
7,747,204.50x = 11,622,672.99 × 2,428,420.50 - Step 4: Simplify right side
7,747,204.50x = 28,224,737,353,712.30 - Step 5: Solve for x
x = 28,224,737,353,712.30/7,747,204.50 - Step 6: Final answer
x = 3,643,215.74
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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.