Finding the Fourth Proportional to 38,550,834.92, 53,199,655.62 and 22,030,770.44
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Solution
The fourth proportional to 38,550,834.92, 53,199,655.62 and 22,030,770.44 is: 30,402,179.43
Step by Step Solution
- Step 1: Write the proportion equation
38,550,834.92 : 53,199,655.62 = 22,030,770.44 : x - Step 2: Convert to fraction form
38,550,834.92/53,199,655.62 = 22,030,770.44/x - Step 3: Cross multiply
38,550,834.92x = 53,199,655.62 × 22,030,770.44 - Step 4: Simplify right side
38,550,834.92x = 1,172,029,400,451,276 - Step 5: Solve for x
x = 1,172,029,400,451,276/38,550,834.92 - Step 6: Final answer
x = 30,402,179.43
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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.