Finding the Fourth Proportional to 7,548,620.47, 11,322,614.44 and 2,430,937.09
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Solution
The fourth proportional to 7,548,620.47, 11,322,614.44 and 2,430,937.09 is: 3,646,303.79
Step by Step Solution
- Step 1: Write the proportion equation
7,548,620.47 : 11,322,614.44 = 2,430,937.09 : x - Step 2: Convert to fraction form
7,548,620.47/11,322,614.44 = 2,430,937.09/x - Step 3: Cross multiply
7,548,620.47x = 11,322,614.44 × 2,430,937.09 - Step 4: Simplify right side
7,548,620.47x = 27,524,563,440,166.58 - Step 5: Solve for x
x = 27,524,563,440,166.58/7,548,620.47 - Step 6: Final answer
x = 3,646,303.79
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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.