Finding the Fourth Proportional to 7,900,798.76, 11,851,198.16 and 2,221,023.08
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Solution
The fourth proportional to 7,900,798.76, 11,851,198.16 and 2,221,023.08 is: 3,331,534.62
Step by Step Solution
- Step 1: Write the proportion equation
7,900,798.76 : 11,851,198.16 = 2,221,023.08 : x - Step 2: Convert to fraction form
7,900,798.76/11,851,198.16 = 2,221,023.08/x - Step 3: Cross multiply
7,900,798.76x = 11,851,198.16 × 2,221,023.08 - Step 4: Simplify right side
7,900,798.76x = 26,321,784,568,652.43 - Step 5: Solve for x
x = 26,321,784,568,652.43/7,900,798.76 - Step 6: Final answer
x = 3,331,534.62
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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.