Finding the Fourth Proportional to 18,971,470.44, 28,457,110.49 and 4,594,537.85
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Solution
The fourth proportional to 18,971,470.44, 28,457,110.49 and 4,594,537.85 is: 6,891,783.72
Step by Step Solution
- Step 1: Write the proportion equation
18,971,470.44 : 28,457,110.49 = 4,594,537.85 : x - Step 2: Convert to fraction form
18,971,470.44/28,457,110.49 = 4,594,537.85/x - Step 3: Cross multiply
18,971,470.44x = 28,457,110.49 × 4,594,537.85 - Step 4: Simplify right side
18,971,470.44x = 130,747,271,082,678.80 - Step 5: Solve for x
x = 130,747,271,082,678.80/18,971,470.44 - Step 6: Final answer
x = 6,891,783.72
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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.