Finding the Fourth Proportional to 8,294,163.12, 12,439,378.44 and 2,975,379.12
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Solution
The fourth proportional to 8,294,163.12, 12,439,378.44 and 2,975,379.12 is: 4,462,399.20
Step by Step Solution
- Step 1: Write the proportion equation
8,294,163.12 : 12,439,378.44 = 2,975,379.12 : x - Step 2: Convert to fraction form
8,294,163.12/12,439,378.44 = 2,975,379.12/x - Step 3: Cross multiply
8,294,163.12x = 12,439,378.44 × 2,975,379.12 - Step 4: Simplify right side
8,294,163.12x = 37,011,866,876,154.17 - Step 5: Solve for x
x = 37,011,866,876,154.17/8,294,163.12 - Step 6: Final answer
x = 4,462,399.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.