Finding the Fourth Proportional to 8,721,406.08, 13,081,112.64 and 2,332,156.68
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Solution
The fourth proportional to 8,721,406.08, 13,081,112.64 and 2,332,156.68 is: 3,497,968.56
Step by Step Solution
- Step 1: Write the proportion equation
8,721,406.08 : 13,081,112.64 = 2,332,156.68 : x - Step 2: Convert to fraction form
8,721,406.08/13,081,112.64 = 2,332,156.68/x - Step 3: Cross multiply
8,721,406.08x = 13,081,112.64 × 2,332,156.68 - Step 4: Simplify right side
8,721,406.08x = 30,507,204,225,208.44 - Step 5: Solve for x
x = 30,507,204,225,208.44/8,721,406.08 - Step 6: Final answer
x = 3,497,968.56
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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.