Finding the Fourth Proportional to 39,172,958.24, 58,720,020.16 and 16,160,676.80
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Solution
The fourth proportional to 39,172,958.24, 58,720,020.16 and 16,160,676.80 is: 24,224,753.76
Step by Step Solution
- Step 1: Write the proportion equation
39,172,958.24 : 58,720,020.16 = 16,160,676.80 : x - Step 2: Convert to fraction form
39,172,958.24/58,720,020.16 = 16,160,676.80/x - Step 3: Cross multiply
39,172,958.24x = 58,720,020.16 × 16,160,676.80 - Step 4: Simplify right side
39,172,958.24x = 948,955,267,495,244.25 - Step 5: Solve for x
x = 948,955,267,495,244.25/39,172,958.24 - Step 6: Final answer
x = 24,224,753.76
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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.