Finding the Fourth Proportional to 7,516,267.02, 11,276,055.36 and 3,198,086.55
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Solution
The fourth proportional to 7,516,267.02, 11,276,055.36 and 3,198,086.55 is: 4,797,833.94
Step by Step Solution
- Step 1: Write the proportion equation
7,516,267.02 : 11,276,055.36 = 3,198,086.55 : x - Step 2: Convert to fraction form
7,516,267.02/11,276,055.36 = 3,198,086.55/x - Step 3: Cross multiply
7,516,267.02x = 11,276,055.36 × 3,198,086.55 - Step 4: Simplify right side
7,516,267.02x = 36,061,800,983,871.41 - Step 5: Solve for x
x = 36,061,800,983,871.41/7,516,267.02 - Step 6: Final answer
x = 4,797,833.94
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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.