Finding the Fourth Proportional to 20,159,370.08, 30,230,647.28 and 6,322,763.92
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Solution
The fourth proportional to 20,159,370.08, 30,230,647.28 and 6,322,763.92 is: 9,481,508.85
Step by Step Solution
- Step 1: Write the proportion equation
20,159,370.08 : 30,230,647.28 = 6,322,763.92 : x - Step 2: Convert to fraction form
20,159,370.08/30,230,647.28 = 6,322,763.92/x - Step 3: Cross multiply
20,159,370.08x = 30,230,647.28 × 6,322,763.92 - Step 4: Simplify right side
20,159,370.08x = 191,141,245,900,230.16 - Step 5: Solve for x
x = 191,141,245,900,230.16/20,159,370.08 - Step 6: Final answer
x = 9,481,508.85
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1.5x scale
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.