Finding the Fourth Proportional to 35,107,240.37, 48,436,257.95 and 20,419,788.84
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Solution
The fourth proportional to 35,107,240.37, 48,436,257.95 and 20,419,788.84 is: 28,172,483.77
Step by Step Solution
- Step 1: Write the proportion equation
35,107,240.37 : 48,436,257.95 = 20,419,788.84 : x - Step 2: Convert to fraction form
35,107,240.37/48,436,257.95 = 20,419,788.84/x - Step 3: Cross multiply
35,107,240.37x = 48,436,257.95 × 20,419,788.84 - Step 4: Simplify right side
35,107,240.37x = 989,058,159,436,672.38 - Step 5: Solve for x
x = 989,058,159,436,672.38/35,107,240.37 - Step 6: Final answer
x = 28,172,483.77
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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.