Finding the Fourth Proportional to 10,957,869.80, 16,436,804.70 and 2,870,829.80
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Solution
The fourth proportional to 10,957,869.80, 16,436,804.70 and 2,870,829.80 is: 4,306,244.70
Step by Step Solution
- Step 1: Write the proportion equation
10,957,869.80 : 16,436,804.70 = 2,870,829.80 : x - Step 2: Convert to fraction form
10,957,869.80/16,436,804.70 = 2,870,829.80/x - Step 3: Cross multiply
10,957,869.80x = 16,436,804.70 × 2,870,829.80 - Step 4: Simplify right side
10,957,869.80x = 47,187,268,749,540.05 - Step 5: Solve for x
x = 47,187,268,749,540.05/10,957,869.80 - Step 6: Final answer
x = 4,306,244.70
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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.