Finding the Fourth Proportional to 11,854,975.68, 17,763,567.84 and 7,591,636.80
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Solution
The fourth proportional to 11,854,975.68, 17,763,567.84 and 7,591,636.80 is: 11,375,354.87
Step by Step Solution
- Step 1: Write the proportion equation
11,854,975.68 : 17,763,567.84 = 7,591,636.80 : x - Step 2: Convert to fraction form
11,854,975.68/17,763,567.84 = 7,591,636.80/x - Step 3: Cross multiply
11,854,975.68x = 17,763,567.84 × 7,591,636.80 - Step 4: Simplify right side
11,854,975.68x = 134,854,555,313,440.50 - Step 5: Solve for x
x = 134,854,555,313,440.50/11,854,975.68 - Step 6: Final answer
x = 11,375,354.87
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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.