Finding the Fourth Proportional to 10,455,762.99, 15,679,932.92 and 3,067,748.44
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Solution
The fourth proportional to 10,455,762.99, 15,679,932.92 and 3,067,748.44 is: 4,600,533.67
Step by Step Solution
- Step 1: Write the proportion equation
10,455,762.99 : 15,679,932.92 = 3,067,748.44 : x - Step 2: Convert to fraction form
10,455,762.99/15,679,932.92 = 3,067,748.44/x - Step 3: Cross multiply
10,455,762.99x = 15,679,932.92 × 3,067,748.44 - Step 4: Simplify right side
10,455,762.99x = 48,102,089,711,600.12 - Step 5: Solve for x
x = 48,102,089,711,600.12/10,455,762.99 - Step 6: Final answer
x = 4,600,533.67
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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.