Finding the Fourth Proportional to 16,217,619.20, 24,323,318.40 and 4,858,438.40
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Solution
The fourth proportional to 16,217,619.20, 24,323,318.40 and 4,858,438.40 is: 7,286,725.79
Step by Step Solution
- Step 1: Write the proportion equation
16,217,619.20 : 24,323,318.40 = 4,858,438.40 : x - Step 2: Convert to fraction form
16,217,619.20/24,323,318.40 = 4,858,438.40/x - Step 3: Cross multiply
16,217,619.20x = 24,323,318.40 × 4,858,438.40 - Step 4: Simplify right side
16,217,619.20x = 118,173,344,129,986.56 - Step 5: Solve for x
x = 118,173,344,129,986.56/16,217,619.20 - Step 6: Final answer
x = 7,286,725.79
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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.