Finding the Fourth Proportional to 20,775,935.68, 31,165,469.97 and 6,201,703.90
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Solution
The fourth proportional to 20,775,935.68, 31,165,469.97 and 6,201,703.90 is: 9,303,023.44
Step by Step Solution
- Step 1: Write the proportion equation
20,775,935.68 : 31,165,469.97 = 6,201,703.90 : x - Step 2: Convert to fraction form
20,775,935.68/31,165,469.97 = 6,201,703.90/x - Step 3: Cross multiply
20,775,935.68x = 31,165,469.97 × 6,201,703.90 - Step 4: Simplify right side
20,775,935.68x = 193,279,016,658,281.88 - Step 5: Solve for x
x = 193,279,016,658,281.88/20,775,935.68 - Step 6: Final answer
x = 9,303,023.44
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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.