Finding the Fourth Proportional to 9,660,314.10, 14,490,471.15 and 8,698,163.70
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Solution
The fourth proportional to 9,660,314.10, 14,490,471.15 and 8,698,163.70 is: 13,047,245.55
Step by Step Solution
- Step 1: Write the proportion equation
9,660,314.10 : 14,490,471.15 = 8,698,163.70 : x - Step 2: Convert to fraction form
9,660,314.10/14,490,471.15 = 8,698,163.70/x - Step 3: Cross multiply
9,660,314.10x = 14,490,471.15 × 8,698,163.70 - Step 4: Simplify right side
9,660,314.10x = 126,040,490,152,827.25 - Step 5: Solve for x
x = 126,040,490,152,827.25/9,660,314.10 - Step 6: Final answer
x = 13,047,245.55
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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.