Finding the Fourth Proportional to 13,186,559.68, 18,197,211.51 and 7,306,172.42
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Solution
The fourth proportional to 13,186,559.68, 18,197,211.51 and 7,306,172.42 is: 10,082,384.49
Step by Step Solution
- Step 1: Write the proportion equation
13,186,559.68 : 18,197,211.51 = 7,306,172.42 : x - Step 2: Convert to fraction form
13,186,559.68/18,197,211.51 = 7,306,172.42/x - Step 3: Cross multiply
13,186,559.68x = 18,197,211.51 × 7,306,172.42 - Step 4: Simplify right side
13,186,559.68x = 132,951,964,764,282.52 - Step 5: Solve for x
x = 132,951,964,764,282.52/13,186,559.68 - Step 6: Final answer
x = 10,082,384.49
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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.