Finding the Fourth Proportional to 38,557,063.40, 57,845,167.67 and 19,135,404.63
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Solution
The fourth proportional to 38,557,063.40, 57,845,167.67 and 19,135,404.63 is: 28,707,857.70
Step by Step Solution
- Step 1: Write the proportion equation
38,557,063.40 : 57,845,167.67 = 19,135,404.63 : x - Step 2: Convert to fraction form
38,557,063.40/57,845,167.67 = 19,135,404.63/x - Step 3: Cross multiply
38,557,063.40x = 57,845,167.67 × 19,135,404.63 - Step 4: Simplify right side
38,557,063.40x = 1,106,890,689,303,482.75 - Step 5: Solve for x
x = 1,106,890,689,303,482.75/38,557,063.40 - Step 6: Final answer
x = 28,707,857.70
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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.