Finding the Fourth Proportional to 11,004,879.12, 15,187,207.49 and 6,110,101.45
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Solution
The fourth proportional to 11,004,879.12, 15,187,207.49 and 6,110,101.45 is: 8,432,203.34
Step by Step Solution
- Step 1: Write the proportion equation
11,004,879.12 : 15,187,207.49 = 6,110,101.45 : x - Step 2: Convert to fraction form
11,004,879.12/15,187,207.49 = 6,110,101.45/x - Step 3: Cross multiply
11,004,879.12x = 15,187,207.49 × 6,110,101.45 - Step 4: Simplify right side
11,004,879.12x = 92,795,378,506,099.86 - Step 5: Solve for x
x = 92,795,378,506,099.86/11,004,879.12 - Step 6: Final answer
x = 8,432,203.34
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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.