Finding the Fourth Proportional to 39,491,523.68, 54,497,899.76 and 22,087,827.36
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Solution
The fourth proportional to 39,491,523.68, 54,497,899.76 and 22,087,827.36 is: 30,480,976.40
Step by Step Solution
- Step 1: Write the proportion equation
39,491,523.68 : 54,497,899.76 = 22,087,827.36 : x - Step 2: Convert to fraction form
39,491,523.68/54,497,899.76 = 22,087,827.36/x - Step 3: Cross multiply
39,491,523.68x = 54,497,899.76 × 22,087,827.36 - Step 4: Simplify right side
39,491,523.68x = 1,203,740,201,381,465.25 - Step 5: Solve for x
x = 1,203,740,201,381,465.25/39,491,523.68 - Step 6: Final answer
x = 30,480,976.40
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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.