Finding the Fourth Proportional to 20,206,793.00, 30,329,351.94 and 12,507,147.08
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Solution
The fourth proportional to 20,206,793.00, 30,329,351.94 and 12,507,147.08 is: 18,772,581.35
Step by Step Solution
- Step 1: Write the proportion equation
20,206,793.00 : 30,329,351.94 = 12,507,147.08 : x - Step 2: Convert to fraction form
20,206,793.00/30,329,351.94 = 12,507,147.08/x - Step 3: Cross multiply
20,206,793.00x = 30,329,351.94 × 12,507,147.08 - Step 4: Simplify right side
20,206,793.00x = 379,333,665,403,016.56 - Step 5: Solve for x
x = 379,333,665,403,016.56/20,206,793.00 - Step 6: Final answer
x = 18,772,581.35
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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.