Finding the Fourth Proportional to 8,861,289.50, 12,228,277.17 and 4,887,718.17
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Solution
The fourth proportional to 8,861,289.50, 12,228,277.17 and 4,887,718.17 is: 6,744,884.31
Step by Step Solution
- Step 1: Write the proportion equation
8,861,289.50 : 12,228,277.17 = 4,887,718.17 : x - Step 2: Convert to fraction form
8,861,289.50/12,228,277.17 = 4,887,718.17/x - Step 3: Cross multiply
8,861,289.50x = 12,228,277.17 × 4,887,718.17 - Step 4: Simplify right side
8,861,289.50x = 59,768,372,511,605.18 - Step 5: Solve for x
x = 59,768,372,511,605.18/8,861,289.50 - Step 6: Final answer
x = 6,744,884.31
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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.