Finding the Fourth Proportional to 11,779,396.20, 17,669,489.42 and 3,259,019.08
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Solution
The fourth proportional to 11,779,396.20, 17,669,489.42 and 3,259,019.08 is: 4,888,637.94
Step by Step Solution
- Step 1: Write the proportion equation
11,779,396.20 : 17,669,489.42 = 3,259,019.08 : x - Step 2: Convert to fraction form
11,779,396.20/17,669,489.42 = 3,259,019.08/x - Step 3: Cross multiply
11,779,396.20x = 17,669,489.42 × 3,259,019.08 - Step 4: Simplify right side
11,779,396.20x = 57,585,203,153,638.14 - Step 5: Solve for x
x = 57,585,203,153,638.14/11,779,396.20 - Step 6: Final answer
x = 4,888,637.94
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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.