Finding the Fourth Proportional to 14,649,942.26, 20,217,291.52 and 8,034,794.09
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Solution
The fourth proportional to 14,649,942.26, 20,217,291.52 and 8,034,794.09 is: 11,088,219.43
Step by Step Solution
- Step 1: Write the proportion equation
14,649,942.26 : 20,217,291.52 = 8,034,794.09 : x - Step 2: Convert to fraction form
14,649,942.26/20,217,291.52 = 8,034,794.09/x - Step 3: Cross multiply
14,649,942.26x = 20,217,291.52 × 8,034,794.09 - Step 4: Simplify right side
14,649,942.26x = 162,441,774,390,409.75 - Step 5: Solve for x
x = 162,441,774,390,409.75/14,649,942.26 - Step 6: Final answer
x = 11,088,219.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.