Finding the Fourth Proportional to 11,826,515.11, 16,319,613.36 and 6,671,143.75
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Solution
The fourth proportional to 11,826,515.11, 16,319,613.36 and 6,671,143.75 is: 9,205,626.99
Step by Step Solution
- Step 1: Write the proportion equation
11,826,515.11 : 16,319,613.36 = 6,671,143.75 : x - Step 2: Convert to fraction form
11,826,515.11/16,319,613.36 = 6,671,143.75/x - Step 3: Cross multiply
11,826,515.11x = 16,319,613.36 × 6,671,143.75 - Step 4: Simplify right side
11,826,515.11x = 108,870,486,668,980.50 - Step 5: Solve for x
x = 108,870,486,668,980.50/11,826,515.11 - Step 6: Final answer
x = 9,205,626.99
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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.