Finding the Fourth Proportional to 14,000,150.40, 20,958,235.20 and 8,317,449.60
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Solution
The fourth proportional to 14,000,150.40, 20,958,235.20 and 8,317,449.60 is: 12,451,228.02
Step by Step Solution
- Step 1: Write the proportion equation
14,000,150.40 : 20,958,235.20 = 8,317,449.60 : x - Step 2: Convert to fraction form
14,000,150.40/20,958,235.20 = 8,317,449.60/x - Step 3: Cross multiply
14,000,150.40x = 20,958,235.20 × 8,317,449.60 - Step 4: Simplify right side
14,000,150.40x = 174,319,064,980,945.91 - Step 5: Solve for x
x = 174,319,064,980,945.91/14,000,150.40 - Step 6: Final answer
x = 12,451,228.02
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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.