Finding the Fourth Proportional to 9,775,478.70, 14,670,216.45 and 5,511,120.30
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Solution
The fourth proportional to 9,775,478.70, 14,670,216.45 and 5,511,120.30 is: 8,270,625.94
Step by Step Solution
- Step 1: Write the proportion equation
9,775,478.70 : 14,670,216.45 = 5,511,120.30 : x - Step 2: Convert to fraction form
9,775,478.70/14,670,216.45 = 5,511,120.30/x - Step 3: Cross multiply
9,775,478.70x = 14,670,216.45 × 5,511,120.30 - Step 4: Simplify right side
9,775,478.70x = 80,849,327,682,988.92 - Step 5: Solve for x
x = 80,849,327,682,988.92/9,775,478.70 - Step 6: Final answer
x = 8,270,625.94
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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.