Finding the Fourth Proportional to 54,948,734.99, 82,423,850.58 and 20,391,783.96
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Solution
The fourth proportional to 54,948,734.99, 82,423,850.58 and 20,391,783.96 is: 30,587,953.57
Step by Step Solution
- Step 1: Write the proportion equation
54,948,734.99 : 82,423,850.58 = 20,391,783.96 : x - Step 2: Convert to fraction form
54,948,734.99/82,423,850.58 = 20,391,783.96/x - Step 3: Cross multiply
54,948,734.99x = 82,423,850.58 × 20,391,783.96 - Step 4: Simplify right side
54,948,734.99x = 1,680,769,354,178,680.75 - Step 5: Solve for x
x = 1,680,769,354,178,680.75/54,948,734.99 - Step 6: Final answer
x = 30,587,953.57
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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.