Finding the Fourth Proportional to 8,936,455.20, 13,405,201.20 and 2,547,175.20
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Solution
The fourth proportional to 8,936,455.20, 13,405,201.20 and 2,547,175.20 is: 3,820,910.56
Step by Step Solution
- Step 1: Write the proportion equation
8,936,455.20 : 13,405,201.20 = 2,547,175.20 : x - Step 2: Convert to fraction form
8,936,455.20/13,405,201.20 = 2,547,175.20/x - Step 3: Cross multiply
8,936,455.20x = 13,405,201.20 × 2,547,175.20 - Step 4: Simplify right side
8,936,455.20x = 34,145,396,047,650.24 - Step 5: Solve for x
x = 34,145,396,047,650.24/8,936,455.20 - Step 6: Final answer
x = 3,820,910.56
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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.