Finding the Fourth Proportional to 33,617,756.88, 46,394,228.40 and 20,560,914.84
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Solution
The fourth proportional to 33,617,756.88, 46,394,228.40 and 20,560,914.84 is: 28,375,116.83
Step by Step Solution
- Step 1: Write the proportion equation
33,617,756.88 : 46,394,228.40 = 20,560,914.84 : x - Step 2: Convert to fraction form
33,617,756.88/46,394,228.40 = 20,560,914.84/x - Step 3: Cross multiply
33,617,756.88x = 46,394,228.40 × 20,560,914.84 - Step 4: Simplify right side
33,617,756.88x = 953,907,779,199,909.38 - Step 5: Solve for x
x = 953,907,779,199,909.38/33,617,756.88 - Step 6: Final answer
x = 28,375,116.83
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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.