Finding the Fourth Proportional to 39,808,920.24, 54,934,542.72 and 22,168,732.68
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Solution
The fourth proportional to 39,808,920.24, 54,934,542.72 and 22,168,732.68 is: 30,591,866.98
Step by Step Solution
- Step 1: Write the proportion equation
39,808,920.24 : 54,934,542.72 = 22,168,732.68 : x - Step 2: Convert to fraction form
39,808,920.24/54,934,542.72 = 22,168,732.68/x - Step 3: Cross multiply
39,808,920.24x = 54,934,542.72 × 22,168,732.68 - Step 4: Simplify right side
39,808,920.24x = 1,217,829,192,457,720 - Step 5: Solve for x
x = 1,217,829,192,457,720/39,808,920.24 - Step 6: Final answer
x = 30,591,866.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.