Finding the Fourth Proportional to 13,260,489.12, 19,888,762.92 and 3,674,868.24
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Solution
The fourth proportional to 13,260,489.12, 19,888,762.92 and 3,674,868.24 is: 5,511,756.20
Step by Step Solution
- Step 1: Write the proportion equation
13,260,489.12 : 19,888,762.92 = 3,674,868.24 : x - Step 2: Convert to fraction form
13,260,489.12/19,888,762.92 = 3,674,868.24/x - Step 3: Cross multiply
13,260,489.12x = 19,888,762.92 × 3,674,868.24 - Step 4: Simplify right side
13,260,489.12x = 73,088,583,187,597.67 - Step 5: Solve for x
x = 73,088,583,187,597.67/13,260,489.12 - Step 6: Final answer
x = 5,511,756.20
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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.