Finding the Fourth Proportional to 13,646,034.50, 20,462,206.37 and 4,544,932.41
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Solution
The fourth proportional to 13,646,034.50, 20,462,206.37 and 4,544,932.41 is: 6,815,118.70
Step by Step Solution
- Step 1: Write the proportion equation
13,646,034.50 : 20,462,206.37 = 4,544,932.41 : x - Step 2: Convert to fraction form
13,646,034.50/20,462,206.37 = 4,544,932.41/x - Step 3: Cross multiply
13,646,034.50x = 20,462,206.37 × 4,544,932.41 - Step 4: Simplify right side
13,646,034.50x = 92,999,344,888,396.78 - Step 5: Solve for x
x = 92,999,344,888,396.78/13,646,034.50 - Step 6: Final answer
x = 6,815,118.70
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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.