Finding the Fourth Proportional to 13,583,193.24, 18,744,411.78 and 7,471,620.12
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Solution
The fourth proportional to 13,583,193.24, 18,744,411.78 and 7,471,620.12 is: 10,310,618.55
Step by Step Solution
- Step 1: Write the proportion equation
13,583,193.24 : 18,744,411.78 = 7,471,620.12 : x - Step 2: Convert to fraction form
13,583,193.24/18,744,411.78 = 7,471,620.12/x - Step 3: Cross multiply
13,583,193.24x = 18,744,411.78 × 7,471,620.12 - Step 4: Simplify right side
13,583,193.24x = 140,051,124,193,013.03 - Step 5: Solve for x
x = 140,051,124,193,013.03/13,583,193.24 - Step 6: Final answer
x = 10,310,618.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.