Finding the Fourth Proportional to 11,163,485.20, 16,745,227.80 and 2,758,493.20
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Solution
The fourth proportional to 11,163,485.20, 16,745,227.80 and 2,758,493.20 is: 4,137,739.80
Step by Step Solution
- Step 1: Write the proportion equation
11,163,485.20 : 16,745,227.80 = 2,758,493.20 : x - Step 2: Convert to fraction form
11,163,485.20/16,745,227.80 = 2,758,493.20/x - Step 3: Cross multiply
11,163,485.20x = 16,745,227.80 × 2,758,493.20 - Step 4: Simplify right side
11,163,485.20x = 46,191,597,018,750.97 - Step 5: Solve for x
x = 46,191,597,018,750.97/11,163,485.20 - Step 6: Final answer
x = 4,137,739.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.