Finding the Fourth Proportional to 10,818,485.18, 16,230,352.20 and 3,245,450.96
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Solution
The fourth proportional to 10,818,485.18, 16,230,352.20 and 3,245,450.96 is: 4,868,963.75
Step by Step Solution
- Step 1: Write the proportion equation
10,818,485.18 : 16,230,352.20 = 3,245,450.96 : x - Step 2: Convert to fraction form
10,818,485.18/16,230,352.20 = 3,245,450.96/x - Step 3: Cross multiply
10,818,485.18x = 16,230,352.20 × 3,245,450.96 - Step 4: Simplify right side
10,818,485.18x = 52,674,812,128,628.11 - Step 5: Solve for x
x = 52,674,812,128,628.11/10,818,485.18 - Step 6: Final answer
x = 4,868,963.75
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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.