Finding the Fourth Proportional to 7,582,025.20, 11,373,037.80 and 4,712,243.80
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Solution
The fourth proportional to 7,582,025.20, 11,373,037.80 and 4,712,243.80 is: 7,068,365.70
Step by Step Solution
- Step 1: Write the proportion equation
7,582,025.20 : 11,373,037.80 = 4,712,243.80 : x - Step 2: Convert to fraction form
7,582,025.20/11,373,037.80 = 4,712,243.80/x - Step 3: Cross multiply
7,582,025.20x = 11,373,037.80 × 4,712,243.80 - Step 4: Simplify right side
7,582,025.20x = 53,592,526,860,215.64 - Step 5: Solve for x
x = 53,592,526,860,215.64/7,582,025.20 - Step 6: Final answer
x = 7,068,365.70
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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.