Finding the Fourth Proportional to 9,969,170.90, 14,953,756.35 and 6,378,991.70
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Solution
The fourth proportional to 9,969,170.90, 14,953,756.35 and 6,378,991.70 is: 9,568,487.55
Step by Step Solution
- Step 1: Write the proportion equation
9,969,170.90 : 14,953,756.35 = 6,378,991.70 : x - Step 2: Convert to fraction form
9,969,170.90/14,953,756.35 = 6,378,991.70/x - Step 3: Cross multiply
9,969,170.90x = 14,953,756.35 × 6,378,991.70 - Step 4: Simplify right side
9,969,170.90x = 95,389,887,640,472.30 - Step 5: Solve for x
x = 95,389,887,640,472.30/9,969,170.90 - Step 6: Final answer
x = 9,568,487.55
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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.