Finding the Fourth Proportional to 7,742,207.85, 11,612,561.35 and 2,350,905.66
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Solution
The fourth proportional to 7,742,207.85, 11,612,561.35 and 2,350,905.66 is: 3,526,130.62
Step by Step Solution
- Step 1: Write the proportion equation
7,742,207.85 : 11,612,561.35 = 2,350,905.66 : x - Step 2: Convert to fraction form
7,742,207.85/11,612,561.35 = 2,350,905.66/x - Step 3: Cross multiply
7,742,207.85x = 11,612,561.35 × 2,350,905.66 - Step 4: Simplify right side
7,742,207.85x = 27,300,036,204,812.24 - Step 5: Solve for x
x = 27,300,036,204,812.24/7,742,207.85 - Step 6: Final answer
x = 3,526,130.62
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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.