Finding the Fourth Proportional to 7,579,415.18, 11,372,708.24 and 3,934,207.82
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Solution
The fourth proportional to 7,579,415.18, 11,372,708.24 and 3,934,207.82 is: 5,903,172.82
Step by Step Solution
- Step 1: Write the proportion equation
7,579,415.18 : 11,372,708.24 = 3,934,207.82 : x - Step 2: Convert to fraction form
7,579,415.18/11,372,708.24 = 3,934,207.82/x - Step 3: Cross multiply
7,579,415.18x = 11,372,708.24 × 3,934,207.82 - Step 4: Simplify right side
7,579,415.18x = 44,742,597,615,851.85 - Step 5: Solve for x
x = 44,742,597,615,851.85/7,579,415.18 - Step 6: Final answer
x = 5,903,172.82
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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.