Finding the Fourth Proportional to 8,099,455.40, 12,149,312.70 and 2,115,823.40
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Solution
The fourth proportional to 8,099,455.40, 12,149,312.70 and 2,115,823.40 is: 3,173,768.96
Step by Step Solution
- Step 1: Write the proportion equation
8,099,455.40 : 12,149,312.70 = 2,115,823.40 : x - Step 2: Convert to fraction form
8,099,455.40/12,149,312.70 = 2,115,823.40/x - Step 3: Cross multiply
8,099,455.40x = 12,149,312.70 × 2,115,823.40 - Step 4: Simplify right side
8,099,455.40x = 25,705,800,104,577.18 - Step 5: Solve for x
x = 25,705,800,104,577.18/8,099,455.40 - Step 6: Final answer
x = 3,173,768.96
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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.