Finding the Fourth Proportional to 7,029,447.16, 10,540,379.28 and 3,189,174.08
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Solution
The fourth proportional to 7,029,447.16, 10,540,379.28 and 3,189,174.08 is: 4,782,040.98
Step by Step Solution
- Step 1: Write the proportion equation
7,029,447.16 : 10,540,379.28 = 3,189,174.08 : x - Step 2: Convert to fraction form
7,029,447.16/10,540,379.28 = 3,189,174.08/x - Step 3: Cross multiply
7,029,447.16x = 10,540,379.28 × 3,189,174.08 - Step 4: Simplify right side
7,029,447.16x = 33,615,104,393,145.06 - Step 5: Solve for x
x = 33,615,104,393,145.06/7,029,447.16 - Step 6: Final answer
x = 4,782,040.98
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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.