Finding the Fourth Proportional to 7,901,138.05, 11,852,656.26 and 2,782,510
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Solution
The fourth proportional to 7,901,138.05, 11,852,656.26 and 2,782,510 is: 4,174,099.27
Step by Step Solution
- Step 1: Write the proportion equation
7,901,138.05 : 11,852,656.26 = 2,782,510 : x - Step 2: Convert to fraction form
7,901,138.05/11,852,656.26 = 2,782,510/x - Step 3: Cross multiply
7,901,138.05x = 11,852,656.26 × 2,782,510 - Step 4: Simplify right side
7,901,138.05x = 32,980,134,570,012.60 - Step 5: Solve for x
x = 32,980,134,570,012.60/7,901,138.05 - Step 6: Final answer
x = 4,174,099.27
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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.