Finding the Fourth Proportional to 8,782,436.25, 12,119,501.64 and 4,862,367.09
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Solution
The fourth proportional to 8,782,436.25, 12,119,501.64 and 4,862,367.09 is: 6,709,922.42
Step by Step Solution
- Step 1: Write the proportion equation
8,782,436.25 : 12,119,501.64 = 4,862,367.09 : x - Step 2: Convert to fraction form
8,782,436.25/12,119,501.64 = 4,862,367.09/x - Step 3: Cross multiply
8,782,436.25x = 12,119,501.64 × 4,862,367.09 - Step 4: Simplify right side
8,782,436.25x = 58,929,465,921,537.03 - Step 5: Solve for x
x = 58,929,465,921,537.03/8,782,436.25 - Step 6: Final answer
x = 6,709,922.42
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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.