Finding the Fourth Proportional to 7,143,804.56, 10,714,857.89 and 2,350,305.08
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Solution
The fourth proportional to 7,143,804.56, 10,714,857.89 and 2,350,305.08 is: 3,525,178.31
Step by Step Solution
- Step 1: Write the proportion equation
7,143,804.56 : 10,714,857.89 = 2,350,305.08 : x - Step 2: Convert to fraction form
7,143,804.56/10,714,857.89 = 2,350,305.08/x - Step 3: Cross multiply
7,143,804.56x = 10,714,857.89 × 2,350,305.08 - Step 4: Simplify right side
7,143,804.56x = 25,183,184,882,646.55 - Step 5: Solve for x
x = 25,183,184,882,646.55/7,143,804.56 - Step 6: Final answer
x = 3,525,178.31
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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.