Finding the Fourth Proportional to 11,775,134.13, 16,247,303.22 and 6,879,410.28
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Solution
The fourth proportional to 11,775,134.13, 16,247,303.22 and 6,879,410.28 is: 9,492,194.62
Step by Step Solution
- Step 1: Write the proportion equation
11,775,134.13 : 16,247,303.22 = 6,879,410.28 : x - Step 2: Convert to fraction form
11,775,134.13/16,247,303.22 = 6,879,410.28/x - Step 3: Cross multiply
11,775,134.13x = 16,247,303.22 × 6,879,410.28 - Step 4: Simplify right side
11,775,134.13x = 111,771,864,793,945.11 - Step 5: Solve for x
x = 111,771,864,793,945.11/11,775,134.13 - Step 6: Final answer
x = 9,492,194.62
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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.