Finding the Fourth Proportional to 16,161,318.70, 22,303,090.83 and 8,819,624.73
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Solution
The fourth proportional to 16,161,318.70, 22,303,090.83 and 8,819,624.73 is: 12,171,339.17
Step by Step Solution
- Step 1: Write the proportion equation
16,161,318.70 : 22,303,090.83 = 8,819,624.73 : x - Step 2: Convert to fraction form
16,161,318.70/22,303,090.83 = 8,819,624.73/x - Step 3: Cross multiply
16,161,318.70x = 22,303,090.83 × 8,819,624.73 - Step 4: Simplify right side
16,161,318.70x = 196,704,891,419,266.97 - Step 5: Solve for x
x = 196,704,891,419,266.97/16,161,318.70 - Step 6: Final answer
x = 12,171,339.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.