Finding the Fourth Proportional to 38,340,563.10, 57,489,849.45 and 15,595,763.10
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Solution
The fourth proportional to 38,340,563.10, 57,489,849.45 and 15,595,763.10 is: 23,385,104.45
Step by Step Solution
- Step 1: Write the proportion equation
38,340,563.10 : 57,489,849.45 = 15,595,763.10 : x - Step 2: Convert to fraction form
38,340,563.10/57,489,849.45 = 15,595,763.10/x - Step 3: Cross multiply
38,340,563.10x = 57,489,849.45 × 15,595,763.10 - Step 4: Simplify right side
38,340,563.10x = 896,598,072,676,865.38 - Step 5: Solve for x
x = 896,598,072,676,865.38/38,340,563.10 - Step 6: Final answer
x = 23,385,104.45
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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.