Finding the Fourth Proportional to 8,953,879.98, 12,328,023.15 and 8,135,634.54
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Solution
The fourth proportional to 8,953,879.98, 12,328,023.15 and 8,135,634.54 is: 11,201,433.48
Step by Step Solution
- Step 1: Write the proportion equation
8,953,879.98 : 12,328,023.15 = 8,135,634.54 : x - Step 2: Convert to fraction form
8,953,879.98/12,328,023.15 = 8,135,634.54/x - Step 3: Cross multiply
8,953,879.98x = 12,328,023.15 × 8,135,634.54 - Step 4: Simplify right side
8,953,879.98x = 100,296,290,949,059.61 - Step 5: Solve for x
x = 100,296,290,949,059.61/8,953,879.98 - Step 6: Final answer
x = 11,201,433.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.