Finding the Fourth Proportional to 13,964,484.76, 20,901,922.26 and 7,471,316.68
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Solution
The fourth proportional to 13,964,484.76, 20,901,922.26 and 7,471,316.68 is: 11,183,003.39
Step by Step Solution
- Step 1: Write the proportion equation
13,964,484.76 : 20,901,922.26 = 7,471,316.68 : x - Step 2: Convert to fraction form
13,964,484.76/20,901,922.26 = 7,471,316.68/x - Step 3: Cross multiply
13,964,484.76x = 20,901,922.26 × 7,471,316.68 - Step 4: Simplify right side
13,964,484.76x = 156,164,880,425,201.31 - Step 5: Solve for x
x = 156,164,880,425,201.31/13,964,484.76 - Step 6: Final answer
x = 11,183,003.39
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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.