Finding the Fourth Proportional to 20,228,879.04, 30,343,349.28 and 8,261,615.04
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Solution
The fourth proportional to 20,228,879.04, 30,343,349.28 and 8,261,615.04 is: 12,392,435.11
Step by Step Solution
- Step 1: Write the proportion equation
20,228,879.04 : 30,343,349.28 = 8,261,615.04 : x - Step 2: Convert to fraction form
20,228,879.04/30,343,349.28 = 8,261,615.04/x - Step 3: Cross multiply
20,228,879.04x = 30,343,349.28 × 8,261,615.04 - Step 4: Simplify right side
20,228,879.04x = 250,685,070,775,621.19 - Step 5: Solve for x
x = 250,685,070,775,621.19/20,228,879.04 - Step 6: Final answer
x = 12,392,435.11
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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.