Finding the Fourth Proportional to 8,275,928.76, 11,419,070.58 and 4,837,504.68
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Solution
The fourth proportional to 8,275,928.76, 11,419,070.58 and 4,837,504.68 is: 6,674,756.27
Step by Step Solution
- Step 1: Write the proportion equation
8,275,928.76 : 11,419,070.58 = 4,837,504.68 : x - Step 2: Convert to fraction form
8,275,928.76/11,419,070.58 = 4,837,504.68/x - Step 3: Cross multiply
8,275,928.76x = 11,419,070.58 × 4,837,504.68 - Step 4: Simplify right side
8,275,928.76x = 55,239,807,372,000.31 - Step 5: Solve for x
x = 55,239,807,372,000.31/8,275,928.76 - Step 6: Final answer
x = 6,674,756.27
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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.