Finding the Fourth Proportional to 11,010,921.20, 16,516,381.80 and 10,001,183.30
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Solution
The fourth proportional to 11,010,921.20, 16,516,381.80 and 10,001,183.30 is: 15,001,774.95
Step by Step Solution
- Step 1: Write the proportion equation
11,010,921.20 : 16,516,381.80 = 10,001,183.30 : x - Step 2: Convert to fraction form
11,010,921.20/16,516,381.80 = 10,001,183.30/x - Step 3: Cross multiply
11,010,921.20x = 16,516,381.80 × 10,001,183.30 - Step 4: Simplify right side
11,010,921.20x = 165,183,361,834,583.97 - Step 5: Solve for x
x = 165,183,361,834,583.97/11,010,921.20 - Step 6: Final answer
x = 15,001,774.95
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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.