Finding the Fourth Proportional to 7,887,778.02, 11,832,974.37 and 2,768,879.75
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Solution
The fourth proportional to 7,887,778.02, 11,832,974.37 and 2,768,879.75 is: 4,153,778.54
Step by Step Solution
- Step 1: Write the proportion equation
7,887,778.02 : 11,832,974.37 = 2,768,879.75 : x - Step 2: Convert to fraction form
7,887,778.02/11,832,974.37 = 2,768,879.75/x - Step 3: Cross multiply
7,887,778.02x = 11,832,974.37 × 2,768,879.75 - Step 4: Simplify right side
7,887,778.02x = 32,764,083,056,197.13 - Step 5: Solve for x
x = 32,764,083,056,197.13/7,887,778.02 - Step 6: Final answer
x = 4,153,778.54
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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.