Finding the Fourth Proportional to 7,777,247.70, 11,644,876.35 and 7,777,247.70
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Solution
The fourth proportional to 7,777,247.70, 11,644,876.35 and 7,777,247.70 is: 11,644,876.35
Step by Step Solution
- Step 1: Write the proportion equation
7,777,247.70 : 11,644,876.35 = 7,777,247.70 : x - Step 2: Convert to fraction form
7,777,247.70/11,644,876.35 = 7,777,247.70/x - Step 3: Cross multiply
7,777,247.70x = 11,644,876.35 × 7,777,247.70 - Step 4: Simplify right side
7,777,247.70x = 90,565,087,809,821.89 - Step 5: Solve for x
x = 90,565,087,809,821.89/7,777,247.70 - Step 6: Final answer
x = 11,644,876.35
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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.