Finding the Fourth Proportional to 36,193,062.80, 54,297,467.40 and 11,927,860.40
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Solution
The fourth proportional to 36,193,062.80, 54,297,467.40 and 11,927,860.40 is: 17,894,385.31
Step by Step Solution
- Step 1: Write the proportion equation
36,193,062.80 : 54,297,467.40 = 11,927,860.40 : x - Step 2: Convert to fraction form
36,193,062.80/54,297,467.40 = 11,927,860.40/x - Step 3: Cross multiply
36,193,062.80x = 54,297,467.40 × 11,927,860.40 - Step 4: Simplify right side
36,193,062.80x = 647,652,611,220,751 - Step 5: Solve for x
x = 647,652,611,220,751/36,193,062.80 - Step 6: Final answer
x = 17,894,385.31
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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.