Finding the Fourth Proportional to 20,542,449.26, 30,818,397.81 and 6,165,789.23
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Solution
The fourth proportional to 20,542,449.26, 30,818,397.81 and 6,165,789.23 is: 9,250,101.72
Step by Step Solution
- Step 1: Write the proportion equation
20,542,449.26 : 30,818,397.81 = 6,165,789.23 : x - Step 2: Convert to fraction form
20,542,449.26/30,818,397.81 = 6,165,789.23/x - Step 3: Cross multiply
20,542,449.26x = 30,818,397.81 × 6,165,789.23 - Step 4: Simplify right side
20,542,449.26x = 190,019,745,302,753.59 - Step 5: Solve for x
x = 190,019,745,302,753.59/20,542,449.26 - Step 6: Final answer
x = 9,250,101.72
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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.