Finding the Fourth Proportional to 9,969,166.90, 14,953,750.35 and 6,378,987.70
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Solution
The fourth proportional to 9,969,166.90, 14,953,750.35 and 6,378,987.70 is: 9,568,481.55
Step by Step Solution
- Step 1: Write the proportion equation
9,969,166.90 : 14,953,750.35 = 6,378,987.70 : x - Step 2: Convert to fraction form
9,969,166.90/14,953,750.35 = 6,378,987.70/x - Step 3: Cross multiply
9,969,166.90x = 14,953,750.35 × 6,378,987.70 - Step 4: Simplify right side
9,969,166.90x = 95,389,789,551,520.70 - Step 5: Solve for x
x = 95,389,789,551,520.70/9,969,166.90 - Step 6: Final answer
x = 9,568,481.55
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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.