Finding the Fourth Proportional to 8,869,245.80, 13,303,868.69 and 2,137,659.80
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Solution
The fourth proportional to 8,869,245.80, 13,303,868.69 and 2,137,659.80 is: 3,206,489.69
Step by Step Solution
- Step 1: Write the proportion equation
8,869,245.80 : 13,303,868.69 = 2,137,659.80 : x - Step 2: Convert to fraction form
8,869,245.80/13,303,868.69 = 2,137,659.80/x - Step 3: Cross multiply
8,869,245.80x = 13,303,868.69 × 2,137,659.80 - Step 4: Simplify right side
8,869,245.80x = 28,439,145,221,916.47 - Step 5: Solve for x
x = 28,439,145,221,916.47/8,869,245.80 - Step 6: Final answer
x = 3,206,489.69
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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.