Finding the Fourth Proportional to 8,732,859.80, 13,099,289.70 and 4,481,331.80
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Solution
The fourth proportional to 8,732,859.80, 13,099,289.70 and 4,481,331.80 is: 6,721,997.70
Step by Step Solution
- Step 1: Write the proportion equation
8,732,859.80 : 13,099,289.70 = 4,481,331.80 : x - Step 2: Convert to fraction form
8,732,859.80/13,099,289.70 = 4,481,331.80/x - Step 3: Cross multiply
8,732,859.80x = 13,099,289.70 × 4,481,331.80 - Step 4: Simplify right side
8,732,859.80x = 58,702,263,490,022.45 - Step 5: Solve for x
x = 58,702,263,490,022.45/8,732,859.80 - Step 6: Final answer
x = 6,721,997.70
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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.