Finding the Fourth Proportional to 7,481,318.20, 11,204,164.17 and 4,777,267.66
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Solution
The fourth proportional to 7,481,318.20, 11,204,164.17 and 4,777,267.66 is: 7,154,526.74
Step by Step Solution
- Step 1: Write the proportion equation
7,481,318.20 : 11,204,164.17 = 4,777,267.66 : x - Step 2: Convert to fraction form
7,481,318.20/11,204,164.17 = 4,777,267.66/x - Step 3: Cross multiply
7,481,318.20x = 11,204,164.17 × 4,777,267.66 - Step 4: Simplify right side
7,481,318.20x = 53,525,291,146,671.74 - Step 5: Solve for x
x = 53,525,291,146,671.74/7,481,318.20 - Step 6: Final answer
x = 7,154,526.74
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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.