Finding the Fourth Proportional to 45,747,647.70, 68,621,034.15 and 11,204,201.40
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Solution
The fourth proportional to 45,747,647.70, 68,621,034.15 and 11,204,201.40 is: 16,806,194.97
Step by Step Solution
- Step 1: Write the proportion equation
45,747,647.70 : 68,621,034.15 = 11,204,201.40 : x - Step 2: Convert to fraction form
45,747,647.70/68,621,034.15 = 11,204,201.40/x - Step 3: Cross multiply
45,747,647.70x = 68,621,034.15 × 11,204,201.40 - Step 4: Simplify right side
45,747,647.70x = 768,843,886,892,877.88 - Step 5: Solve for x
x = 768,843,886,892,877.88/45,747,647.70 - Step 6: Final answer
x = 16,806,194.97
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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.