Finding the Fourth Proportional to 20,775,990.06, 31,165,550.55 and 6,201,757.80
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Solution
The fourth proportional to 20,775,990.06, 31,165,550.55 and 6,201,757.80 is: 9,303,104.00
Step by Step Solution
- Step 1: Write the proportion equation
20,775,990.06 : 31,165,550.55 = 6,201,757.80 : x - Step 2: Convert to fraction form
20,775,990.06/31,165,550.55 = 6,201,757.80/x - Step 3: Cross multiply
20,775,990.06x = 31,165,550.55 × 6,201,757.80 - Step 4: Simplify right side
20,775,990.06x = 193,281,196,214,756.78 - Step 5: Solve for x
x = 193,281,196,214,756.78/20,775,990.06 - Step 6: Final answer
x = 9,303,104.00
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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.