Finding the Fourth Proportional to 7,815,252.08, 11,719,556.50 and 3,201,057.21
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Solution
The fourth proportional to 7,815,252.08, 11,719,556.50 and 3,201,057.21 is: 4,800,225.31
Step by Step Solution
- Step 1: Write the proportion equation
7,815,252.08 : 11,719,556.50 = 3,201,057.21 : x - Step 2: Convert to fraction form
7,815,252.08/11,719,556.50 = 3,201,057.21/x - Step 3: Cross multiply
7,815,252.08x = 11,719,556.50 × 3,201,057.21 - Step 4: Simplify right side
7,815,252.08x = 37,514,970,832,327.37 - Step 5: Solve for x
x = 37,514,970,832,327.37/7,815,252.08 - Step 6: Final answer
x = 4,800,225.31
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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.