Finding the Fourth Proportional to 11,301,991.34, 16,951,390.79 and 3,624,638.54
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Solution
The fourth proportional to 11,301,991.34, 16,951,390.79 and 3,624,638.54 is: 5,436,445.88
Step by Step Solution
- Step 1: Write the proportion equation
11,301,991.34 : 16,951,390.79 = 3,624,638.54 : x - Step 2: Convert to fraction form
11,301,991.34/16,951,390.79 = 3,624,638.54/x - Step 3: Cross multiply
11,301,991.34x = 16,951,390.79 × 3,624,638.54 - Step 4: Simplify right side
11,301,991.34x = 61,442,664,261,154.91 - Step 5: Solve for x
x = 61,442,664,261,154.91/11,301,991.34 - Step 6: Final answer
x = 5,436,445.88
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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.