Finding the Fourth Proportional to 7,808,450.56, 11,720,238.08 and 3,767,779.68
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Solution
The fourth proportional to 7,808,450.56, 11,720,238.08 and 3,767,779.68 is: 5,655,318.50
Step by Step Solution
- Step 1: Write the proportion equation
7,808,450.56 : 11,720,238.08 = 3,767,779.68 : x - Step 2: Convert to fraction form
7,808,450.56/11,720,238.08 = 3,767,779.68/x - Step 3: Cross multiply
7,808,450.56x = 11,720,238.08 × 3,767,779.68 - Step 4: Simplify right side
7,808,450.56x = 44,159,274,882,586.22 - Step 5: Solve for x
x = 44,159,274,882,586.22/7,808,450.56 - Step 6: Final answer
x = 5,655,318.50
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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.