Finding the Fourth Proportional to 8,000,187.56, 11,040,193.86 and 4,378,506.92
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Solution
The fourth proportional to 8,000,187.56, 11,040,193.86 and 4,378,506.92 is: 6,042,303.99
Step by Step Solution
- Step 1: Write the proportion equation
8,000,187.56 : 11,040,193.86 = 4,378,506.92 : x - Step 2: Convert to fraction form
8,000,187.56/11,040,193.86 = 4,378,506.92/x - Step 3: Cross multiply
8,000,187.56x = 11,040,193.86 × 4,378,506.92 - Step 4: Simplify right side
8,000,187.56x = 48,339,565,214,151.51 - Step 5: Solve for x
x = 48,339,565,214,151.51/8,000,187.56 - Step 6: Final answer
x = 6,042,303.99
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1.5x scale
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.