Finding the Fourth Proportional to 18,214,979.70, 27,353,962.35 and 9,711,923.70
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Solution
The fourth proportional to 18,214,979.70, 27,353,962.35 and 9,711,923.70 is: 14,584,676.99
Step by Step Solution
- Step 1: Write the proportion equation
18,214,979.70 : 27,353,962.35 = 9,711,923.70 : x - Step 2: Convert to fraction form
18,214,979.70/27,353,962.35 = 9,711,923.70/x - Step 3: Cross multiply
18,214,979.70x = 27,353,962.35 × 9,711,923.70 - Step 4: Simplify right side
18,214,979.70x = 265,659,595,235,872.69 - Step 5: Solve for x
x = 265,659,595,235,872.69/18,214,979.70 - Step 6: Final answer
x = 14,584,676.99
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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.